Eat This Podcast
Talking about anything around food
13 March 2013


Ben ReadePeat diggers in Ireland and elsewhere have occasionally unearthed objects, usually made of wood, that contained some kind of greasy, fatty material with a “distinctive, pungent and slightly offensive smell”.

Butter. Centuries-old butter.

Who buried it, and why, remain mysteries that motivated Ben Reade, an experimental chef at the Nordic Food Lab in Copenhagen, to make some himself. He brought some of his modern-day bog butter, still nestled in moss and wrapped in its birch-bark barrel, to share with the Oxford Symposium on Food and Cookery last year.

Notes

  1. Ben mentioned two plants that have been found around bog butter, hypnum moss (Hypnum cupressiforme) and bog cotton (Eriophorum angustifolium).
  2. The Nordic Food Lab research blog details all of their astonishing edible experiments.
  3. I found Seamus Heaney reading his poem Bogland at The Internet Poetry Archive.
  4. Caroline Earwood (1997) Bog Butter: A Two Thousand Year History, The Journal of Irish Archaeology, 8: 25-42 is available at JStor, which has a new scheme allowing you to read up to three items at a time online for free.
  5. Music by Dan-O at DanoSongs.com.

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7 thoughts on Bog Butter

  • Angelo Angelli, JD mentioned this post 2 years ago.

    The great “Eat this Podcast”podcast is a decade old. A link to the first one about Bog Butter: eatthispodcast.com/bog-butter/

  • Jeremy Cherfas mentioned this post 2 years ago.


    https://media.blubrry.com/eatthispodcast/mange-tout.s3.amazonaws.com/2023/butter-viking.mp3Podcast: Play in new window | Download (Duration: 23:05 — 21.2MB)Subscribe: Google Podcasts | Android | RSS | More

    Ten years ago, the first episode of Eat This Podcast featured Ben Reade talking about some butter that he had buried in a Swedish bog, the better to understand the bog butter occasionally unearthed in Ireland (and elsewhere). The butter for that experiment was made by Patrik Johansson, using methods taught him by his grandmother, lightly churned with some modern food science. The result is a product that can be found only at a few fine restaurants. That is unlikely ever to change, as Patrik says he couldn’t possibly scale up production.
    We talked about that, and much else besides.
    Notes

    You can follow Patrik Johansson on Instagram.
    Here’s the episode on bog butter
    And here is the transcript.
    Drum roll by MissloonerVoiceOver255

    Huffduff it

  • Chris Aldrich mentioned this post 8 years ago.

    Bog Butter by Jeremy Cherfas from Eat This Podcast

    Peat diggers in Ireland and elsewhere have occasionally unearthed objects, usually made of wood, that contained some kind of greasy, fatty material with a “distinctive, pungent and slightly offensive smell”.
    Butter. Centuries-old butter.

    Who buried it, and why, remain mysteries that motivated Ben Reade, an experimental chef at the Nordic Food Lab in Copenhagen, to make some himself. He brought some of his modern-day bog butter, still nestled in moss and wrapped in its birch-bark barrel, to share with the Oxford Symposium on Food and Cookery last year.Ben ReadePeat diggers in Ireland and elsewhere have occasionally unearthed objects, usually made of wood, that contai…

    If possible, click to play, otherwise your browser may be unable to play this audio file.
    An awesome little podcast I found recently, so I’m going back to the beginning to catch up on all the past episodes. Science, food, heaps of technical expertise, great interviews, and spectacular production quality. Highly recommend it to everyone.
    Syndicated copies to:




    Author: Chris Aldrich

    I’m a biomedical and electrical engineer with interests in information theory, complexity, evolution, genetics, signal processing, theoretical mathematics, and big history.

    I’m also a talent manager-producer-publisher in the entertainment industry with expertise in representation, distribution, finance, production, content delivery, and new media.
    View all posts by Chris Aldrich

  • […] This paper was first published in ‘Wrapped and Stuffed: Proceedings of the Oxford Symposium on Food and Cookery 2012′. The complete Proceedings is available from Prospect Books; a video recording of the presentation of this paper can be found here (starting at 33 minutes), and a podcast about it here. […]

  • by Ben Reade.
    This paper was first published in ‘Wrapped and Stuffed: Proceedings of the Oxford Symposium on Food and Cookery 2012′. The complete Proceedings is available from Prospect Books; a video recording of the presentation of this paper can be found here (starting at 33 minutes), and a podcast about it here.
    People dig for peat. Once dry, this peat burns hot and lets off an
    evocative smoke that brings to mind the cooking and heating methods of
    yesteryear. The peat-cutters harvest their quarry from dark brown, water-logged
    quagmires. Occasionally, these accidental archeologists discover artifacts left
    by people long gone. One such artifact, among the most commonly unearthed items
    from the watery, misty bogs of Ireland and Scotland, is known as ‘bog butter’. Due
    to the frequency of these findings and its mysterious nature, it has been
    fairly well studied from an archaeological perspective, perhaps the most
    thorough investigation being that by Caroline Earwood (1). In this
    study I will attempt an exploration of the substance through the eye of a chef
    and gastronome, combining available literary evidence with our own practical
    research. We made our own bog butter and subsequent gastronomic analysis with
    the hope that a new gastronomic perspective on the topic would give us access
    to a more pragmatic understanding of how and why ancient peoples buried their
    butter.
    Bog butter is butter that has been buried in a peat bog (2). It has occasionally been confused with animal adipose tissue (most commonly
    sheep tallow), which has been preserved in the same manner. Over 430 instances
    of bog butter have been recorded (3). Of these, 274 have been found in
    Scotland and Ireland since 1817. These samples are well catalogued by Caroline
    Earwood. The earliest discoveries are thought to come from the Middle Iron Age
    (400-350 BC), though this does not exclude the possibility of much more ancient
    roots. More recently one firsthand account tells of butter being buried for
    preservation in Co. Donegal 1850-60 (4). In 1892, Rev. James O’Laverty,
    an advocate of the argument that the butter was buried for gastronomic reasons,
    dug some butter into a ‘bog bank’ and left it for eight months. His experiment
    was carried out in much the same spirit as ours – for analytical purposes and
    not for a cultural or preserving motive (5).
    This paper aims, by making bog butter using appropriately basic
    technology, to explore why the boutyrophagoi,
    or ‘butter-eaters’, across Scotland, Ireland, the Faeroe Islands, Finland and
    Norway, as well as Kashmir, Assam and Morocco have buried their
    butter, with special focus on the Irish, Scottish and Scandinavian traditions (6). The aim of this paper also extends to a discussion of whether or not butter
    preserved by this method can have a hedonic value for today’s palates, and possibly
    some use in contemporary cuisine.
    Peat bogs are, by their nature, cold, wet places; almost no oxygen
    circulates in the millennia-old build-up of plant material, which creates
    highly acidic conditions (our site had a pH of 3.5). Sphagnum moss bogs have
    remarkable preservation properties, the mechanisms of which are poorly
    understood (7). Early food preservation methods have been researched
    extensively by Daniel C. Fisher, in relation to the preservation of meat. In an
    attempt to recreate techniques used by paleoamericans in North America, Fisher
    sunk various meats into a frozen pond and a peat bog. A key finding from his
    research is that after one year, bacterial counts on the submerged meats were
    comparable to control samples which had been left in a freezer for the same
    amount of time (8). In fact, suitable foods can probably be aged in
    many types of soil: salt-rich that will provide dehydration, very cold/freezing
    that will freeze foods or slow degradation, or, as in our case, anaerobic and
    acidic conditions to prevent microbial action and oxidation. To our canny
    ancestors, this preserving characteristic provided an ideal place to bury foods (9).
    Around two thirds of the bog butter that has been discovered has come in a container or wrapping of some description. These containers are varied; during the spring and summer months when butter was abundant, dairymaids probably used almost anything they could for storage. The most common containers are wooden. These can be described under the broad classifications of kegs, churns, bowls, dishes, boxes, troughs, methers, firkins and piggins (10). The slowly evolving techniques of the artisan can be seen in these containers and until recently, dates were ascribed to archeological examples of bog butter in part on account of the workmanship of the container. Willow baskets, staved tubs, or bark wrappings have been used, as have bladders, intestines, and skins or woolen cloth (11).
    Buried foods around the world
    banana bread (Ethiopia, banana dough),
    buried eggs (China,
    eggs),
    davuke (Fiji, bread
    fruit);
    formaggio di Fossa (Italy,
    cheese);
    ghee (India, clarified
    butter);
    gravadlax (Scandinavia,
    salmon);
    gubenkraut (Austria,
    cabbage);
    hákarl (Greenland,
    Greenland shark);
    igunaq (Inuit Arctic,
    walrus);
    kiviak (Greenland, auks in
    a seal skin):
    lutefisk (Scandinavia,
    white fish);
    muktuk (Alaska, seal
    flipper);
    reindeer’s stomach (Sápmi, Sweden, stomach with contents);
    rue tallow (Faroe Islands & Iceland, sheep’s tallow);
    sealskin poke (Alaska, meat/dried fish with seal fat);
    smen (Morocco, clarified
    butter);
    surmjølk/myrmjølk (Norway,
    milk);
    Many fermented foods are prepared in fully or partially buried
    amphoras, including wine in Armenia and soya sauce in Korea.
    Sometimes a combination of materials has been used, such as bark
    with a bladder, or with a willow basket. One example used a barrel bound in a
    deerskin to stow the butter into its peaty hiding place (12). One
    particularly interesting find, discovered in Rosmoylan (Co. Roscommon, Ireland)
    dates from the late Iron Age. Within a two piece barrel, the butter was
    surrounded with plant fibers from sedge (Eriophphorum
    vaginatum
    ), bent grass (Agrostis
    sp.) and the soft-textured moss, hypnum (Hypnum
    cupressiforme
    ) (13). All three of these plants have a long history
    of being used by people in mattresses and bedding; the latter takes its name
    from the Greek ‘hypnos’ meaning ‘sleep’. It is rather poetic that dairymaids
    had thought of these plants as appropriate for protecting their butter. The
    butter was wrapped up and made comfortable before being laid down for a long
    sleep in the bog.
    Butter and other dairy products were frequently used as a form of
    taxation and rent (14). At Naas Castle in Sweden where we conducted our
    experiment, butter was a form of tax from the construction of the castle in
    1500 until the end of the nineteenth century. One early fifteenth-century
    manuscript from Scotland, by the Rev. Dr. Archibald Clerk, reports sixteen
    horse-loads of butter and cheese being found hidden or ‘laid-up’ near a
    tenant’s house (15). Butter is valuable: for that reason alone worth
    hiding, even more so in lawless times. One author gives testimony that
    treasures were buried inside fats, so when bog butter was discovered it was
    pierced from all directions to check for valuables (16).
    Butter had many uses. It could be used for waterproofing fabric
    and also a dwelling – one bog house has been discovered where butter and sand
    have been mixed together to make watertight cement (17). It might also
    have been used as a light source. Angus Grant’s 1904 report tells that the
    found butter was converted into candles but as ‘the candles spluttered and crackled,
    sending sparks of boiling tallow all round…they were voted uncanny, and
    promptly got rid of’ (18). So while there are many suggestions as to
    why butter was buried, I propose it was buried not only for its obvious value
    as a commodity but also for some gastronomic purpose.
    While being buried during times of plenty to keep for leaner
    times, the butter may also have increased its gastronomic value during its time
    underground. The fact that bog butter never contains salt suggests that it may
    have been buried to preserve it in times when salt was scarce (19). During the warmer summers, when rancidity would quickly take hold, burying may
    have not only been a convenient way of preserving butter but also of creating a
    luxury food (20). As the Danish priest and topographer L.J. Debes said
    of the Faroese hoards of buried tallow, ‘the longer it is kept being so much
    the better’ (21). O’Laverty wrote that the Irish buried their butter to
    ‘sweeten it’ (22). He also suggests that it was put into peat to mature
    it and render it more nutritive (23). This increased nutrition may be
    some kind of representation in popular memory of how stored butter could
    provide for lean times, though it may also refer to a palatable flavour or some
    biochemical change within the butter itself which renders it more nutritive.
    Testimonies of bog butter tasting tend not to describe it as rancid, but many
    liken the altered fat to cheese. I had to make some to see for myself.
    Patrik and Zandra. warlords.
    The Experiment
    From: The
    Irish Hiudibras
    (24)
    But let his faith be good or bad,
    In his house great plenty had,
    Of burnt oat-bread, and butter found,
    With Garlick mixt, in boggy ground,
    So strong, a dog, with help of wind,
    By scenting out, with ease might find:
    And this they call the bravest meat,
    That hungry mortals e’er did eat.
    So it happened I was introduced to Patrick Johansen, an artisanal
    butter producer from Sweden. When I heard of his interest in aged butters and
    experimental butter with wild bacteria, we got to talking. Soon afterward we
    set to work creating some bog butter of our own. Patrick lives surrounded by
    great swaths of Swedish forest where elegant birches and enormous oaks grow,
    interrupted only by the occasional lake and, conveniently, peat bog. His house
    is a long way from anyone or anything; the water supply is a well in the garden
    and the only light from paraffin lamps. Patrick learned to make world-class
    butter from his grandmother, who in turn had learned from the matriarchal line
    before her. My approach dictated that he decide how everything should be done
    with the only limitation being that no technology should be used that was not
    available before the industrial revolution.
    TIMBER!!!!!!
    On the snow-sprinkled morning of 8 April 2012 we embarked on
    making our twenty-first-century bog butter. We decided that birch bark was to
    be our material of choice for crafting containers in which to bury the butter.
    Using an old iron axe we brought down a smooth, tall, straight birch, the bark
    from which we swiftly peeled. Birch bark unwraps from the trunk with remarkable
    ease at this time of year; it is soft and pliable yet firm and strong. We
    peeled the bark and sliced sections out of slightly smaller parts of the tree
    to make tops and bottoms to our ‘barrels’.
    The birch is ‘unwrapped’
    We had decided we should make some smaller samples which could be
    dug up sooner, and then a larger one which will sit underground for some years.The Irish Hudibras (1689) asserts
    that in Ireland, ‘butter to eat with their hog, was seven years buried in a
    bog’ (25). Seven years seems an appropriate length of time for our
    butter to age.
    Although the technology of butter making has changed through the
    years, the principles remain roughly the same. Butter is made by souring cream,
    which is then churned until it splits into its fat (butter) and aqueous
    (butter-milk) phases. The solid butter is removed from the liquid buttermilk,
    clumped together and washed by kneading it in clean cold water – this removes
    excess milk solids and buttermilk, thereby increasing the butter’s longevity.
    After washing until the water runs clear, the butter is thrown. This is a
    process of subjecting the butter to some high impact (literally throwing it
    against the table), which expels excess water. Now you have butter. The whole
    process with the latest technology takes about fifteen seconds – for us, it
    took a little longer.
    cream is filtered trough a grass ‘nest’
    In earlier times, after milk had been left to stand to allow the
    cream to rise, it would need to be filtered to remove insects and dirt. Patrick
    tells me this was often done through grass
    which, as well as filtering, also
    supplied the cream with ample lactic acid bacteria. The cow’s teat, dairymaid’s
    hands, wooden containers and tools would have also provided plentiful souring
    bacteria. Filtering could also have been done with a piece of cloth, the
    advantage being that at the end of the diary season the cloth could be dried
    out, preserving spore forming lactic acid bacteria to be rehydrated and used to
    inoculate the new batches the following dairy season (non-spore forming
    bacteria would be lost). For our experiment, in the absence of a cloth from the
    previous season, we chose to use a ‘nest’ of grass for filtering. Then the
    cream was left to sour in a small stone-walled hovel, sunken into the hillside;
    the kind of dwelling that early pastoralists might have used while in summer
    pastures.
    the souring ‘hovel’
    After souring, the cream must be churned. Traditionally this might
    have been done by filling a calf’s skin with the soured cream and hanging it
    from a wooden tripod or tree. The skin could then be swung back and forth until
    the cream split. Many bog butter samples contain large quantities of cow hair,
    suggesting that perhaps this method of swinging and shaking in a cow skin was
    often used (26). To avoid problems of cow hair and in the absence of a
    calf’s skin, we churned our cream by shaking it in a large jar.
    Fresh water drawn from the well.
    The butter was then washed to remove the majority of butter milk.
    We did this with fresh cold water from the well in the garden – this is quite a
    simple process of allowing water-soluble parts to be washed out of the butter.
    Then we removed a large amount of the water by repeatedly picking up the lump
    of churned and washed butter and throwing it down onto the table. Throwing is
    an important step in the production of butter to be preserved, so we made sure
    to do it thoroughly.
    Butter is swaddled in hypnum moss before being put to rest underground
    We had made four small containers from birch bark and one from
    pine bark, and we also adapted a large old willow basket to hold a larger
    sample. In echo of the Rosmoylan bog butter discovery mentioned above we
    wrapped the butter in hypnum moss, before stuffing these moss-swaddled
    cylinders into our birch bark barrels – a comfortable bed in which our butter
    could sleep. Our willow basket held a half-firkin (approx. 12.5 kg) of butter,
    which was wrapped in a linen apron before being placed in the basket. It was
    important, as with historical bog butter finds, that the upper surface of the
    butter be entirely convex, in order that no water collect and stagnate on the
    top.
    Downey et al. note that
    a large percentage of bog butter discoveries have been made along historic
    boundary lines (27). In 1892, James O’Laverty wrote that the butter was
    dug into ‘bog-banks’, perhaps another type of territorial confine (28). Debes’s 1673 description of the Faroe Islands describes how the preserved
    tallow or ‘rue tallow’ was buried in a ‘dike’ which certainly hints at a wall
    or embankment of some kind (29). There are many reasons why this should
    be the case, though it has largely been attributed to ritualistic motivations.
    I would suggest it may also have been to leave the food in a spot where people
    were unlikely to dig, and where there was a clear landmark. After looking for
    an appropriate bog to dig in we found a spot in a sphagnum and birch tree bog.
    The ground was soft enough to dig easily, and the holes slowly filled up with
    acidic bog water. We divided our containers between two holes and buried them
    at around 100cm below the surface. One of these stashes was unearthed and
    tasted three months after its burial (some notes on these tastings are found
    below). The second hoard will be allowed to age for a longer time, for seven
    years in echo of The Irish Hudibras, or
    perhaps left forever as some confusing archeology for the future: ‘It may,
    therefore, be termed a hidden treasure, which rust doth not consume, nor
    thieves steel away’, as Debes wrote in 1673 (30).
    Finally, after counting our steps back to the path, we took a
    corner off a large rock with the back of our axe. This palm-of-your-hand-sized
    chunk of rock will now serve as a key. For whoever returns to dig up the
    butter, the stone key will fit into the rock and the butter will rise up from
    the bog.
    The Results
    At this point in time, five of our buried containers have been
    unearthed and tasted, and one remains in its peaty wallow. Tastings of
    three-month-aged bog butter have been made at both Nordic Food Lab in
    Copenhagen, Denmark and at the Oxford Symposium on Food and Cookery 2012 in
    Oxford, England. Various conclusions can be drawn from these tastings.
    In its time underground the butter did not go rancid, as one would
    expect butter of the same quality to do in a fridge over the same time. The
    organoleptic qualities of this product were too many surprising, causing
    disgust in some and enjoyment in others. The fat absorbs a considerable amount
    of flavor from its surroundings, gaining flavor notes which were described
    primarily as ‘animal’ or ‘gamey’, ‘moss’, ‘funky’, ‘pungent’, and ‘salami’.
    These characteristics are certainly far-flung from the creamy acidity of a
    freshly made cultured butter, but have been found useful in the kitchen
    especially with strong and pungent dishes, in a similar manner to aged ghee.
    As I worked with Patrick to make this bog-butter I noticed that
    all he ate all day was the butter itself. This, he said, is common among butter
    makers. A walnut sized lump will keep one sustained all day. If we consider
    ancient dairy based economies, many people may have gone all day eating only
    butter quite frequently. Occasionally it would be consumed on an oatcake, or
    with a piece of meat or fish, but often on its own. In times where transhumance
    brought people to relatively isolated and exposed locations, time spent inside
    with a fire to keep warm, along with infrequent washing and living space shared
    with their animals, may well have meant that stronger foods became more
    desirable, as they had some character that stood out from the already ripe
    surroundings.
    Taste is to a large extent culturally defined, and modern tastes
    have been shaped by myriad modern factors that cannot be removed from the
    equation. When we taste this altered butter a the 2012 Oxford Symposium on Food and Cookery, we had to use some
    imagination. As O’Laverty wrote of his own bog butter experiment in the late
    nineteenth century, ‘for my own taste I would prefer butter cured in the modern
    way, but I have no doubt that usage would confer an acquired taste’ (31).
    Proud boutyrophagoi
    [update by Josh 29.10.13] – This past weekend, Guillemette and I took a trip up to Floda to visit Patrik and Zandra and make some butter together. We also used it as an opportunity to check up with the bog butter. The rainy Saturday afternoon saw us following the same path through the woods, finding the rock with the missing corner, and descending off the road down into the bog. Once we located the clearing with the buried treasure, we dug up the main deposit for a taste. It is still mossy, green, and earthy – maybe it was the fact that we were also wet, a little smelly, and surrounded by the moss like the thing itself, but the butter, eaten with muddy hands in the clearing in the bog, tasted really good.
    The butter is now 1 year, 6 months, 3 weeks old, and counting.
    Notes
    1 Caroline
    Earwood, ‘Bog Butter: A Two Thousand Year History’, The Journal of Irish Archaeology, 8 (1997), 25-42.
    2 Robert
    Berstan et al., ‘Characterization of Bog
    Butter Using a Combination of Molecular and Isotropic Techniques’, Analyst, 129 (2004), 3-8.
    3 L. Downey et al., ‘Bog Butter: Dating Profile and Location’,Archaeology Ireland, 75 (2006),
    32-34.
    4 Earwood.
    5 James
    O’Laverty, ‘The True Reason Why the Irish Buried Their Butter in Bog Banks’, Journal of the Royal Society of Antiquities
    of Ireland,
    2 (1892), 356-337.
    6 Berstan; David MacRitchie, ‘Wooden Dish Found Lately
    in the Hebrides’, Archaeological Notes,
    Reliquary,
    N.S II (1896); E. Estyn Evans, ‘Bog Butter: Another Explanation’,Ulster Journal of Archaeology 3rd.
    ser, 10 (1947), 59-62; PRIA, vi
    (1858), 369-72; personal email exchange with Anders Strinnholm of Stavanger
    Museum of Archaeology regarding collection item S9457 – three lumps of big
    butter from the Stavanger area of Norway; James Williams, ‘A Sample of Bog Butter
    from Lachar Moss, Dunfriesshire’, Transactions
    of the Dumfriesshire and Galloway Natural History and Antiquities Society,

    3rd ser., 43 (1966), O’Laverty, ‘True Reason’. In Norway a similar practice of
    burying milk in peat bogs still exists as can be seen here:
    http://www.nrk.no/nyheter/distrikt/rogaland/jaeren/1.8061809. In Morocco butter
    is still preserved for long periods of time, sometimes underground, where it is
    known as smen.
    7 ‘Terence J.
    Painter’, Carbohydrate Research, 338
    (21 November 2003): 2777-2778.
    8 Sally Pobojewski,
    ‘Underwater Storage Techniques Preserved Meat for Early Hunters’, The University Record, May 8 1995; retrieved
    1/11/2012 from http://www.ur.umich.edu/9495/May08_95/storage.htm.
    9 Traditional
    foods for which burying is a part of the preparation/preservation process, or for
    which there is evidence that this may have been the case, include: banana bread (Ethiopia, banana dough), buried eggs (China, eggs); davuke (Fiji, bread fruit); formaggio di Fossa (Italy, cheese); ghee (India, clarified butter); gravadlax
    (Scandinavia, salmon); gubenkraut
    (Austria, cabbage); hákarl (Greenland, Greenland shark); igunaq (Inuit Arctic, walrus); kiviak (Greenland, auks in a seal skin):lutefisk (Scandinavia, white fish); muktuk (Alaska, seal flipper);
    reindeer’s stomach (Sápmi, Sweden, stomach with contents); rue tallow (Faroe
    Islands & Iceland, sheep’s tallow); sealskin poke (Alaska, meat/dried fish
    with seal fat); smen (Morocco,
    clarified butter); and surmjølk/myrmjølk (Norway,
    milk); Many fermented foods are prepared in fully or partially buried amphoras,
    including wine in Armenia and soya sauce in Korea.
    10 Earwood; F.
    J. Hunter, ‘Iron Age Hoarding in Scotland and Northern England’, Reconstructing Iron Age Societies, eds.
    A. Gwilt and C. Hasselgrove, Oxbow Monographs in Archaeology, Oxford: Oxbow, 1997,
    71.
    11 James O’Laverty,
    ‘Bog-butter’, Ulster Journal of
    Archaeology
    , 1st ser., 7 (1859), 288-294.
    12 Williams;
    Earwood.
    13 Earwood.
    14 O’Laverty,
    ‘Bog-butter’; personal communications between Professor E.C Synnott, Process
    Engineering Department, University College Cork, Ireland and Dr Alison Sheridon
    FSA Scot FSA AIFA, Head of Early Prehistory, National Museums Scotland.
    15 Rev. Dr.
    Archibald Clerk, ‘Notes on Everything’, accessed via Dr. Alison Sheridon FSA
    Scot FSA AIFA, National Museum of Scotland.
    16 Angus Grant,PSAS, 39 (1904-5), 246-247.
    17 Niall Ó
    Dubhthaigh, ‘Summer Pasture in Donegal’, Folk
    Life,
    22 (1984), 42-54.
    18 Grant.
    19 Earwood;
    Hunter; O’Laverty, ‘True Reason’.
    20 Ó Dubhthaigh.
    21 James Ritchie,
    ‘A Keg of Bog-butter from Skye’, Proceedings
    of the Society of Antiquaries of Scotland
    75 (1941), 5-22.
    22 O’Laverty,
    ‘Bog-butter’.
    23 O’Laverty,
    ‘Bog-butter’; O’Laverty, ‘Ture Reason’
    24 Some doubts exist over
    the author(s) of The Irish Hudibras. O’Laverty attributes it to William Moffet in 1855 (‘True Reason’). James Farewell (1689) is written in
    the copy held by the British Library. http://www.amazon.co.uk attributes the text to
    ‘Multiple Contributors’.
    25 O’Laverty,
    ‘True Reason’.
    26 O’Laverty, ‘Bog-butter’;
    Ritchie.
    27 Downey.
    28 O’Laverty,
    ‘True Reason’.
    29 PRIA, 6 (1858),
    369-72.
    30 PRIA, 6 (1858),
    369-72.
    31 O’Laverty,
    ‘True Reason’.

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Our Daily Bread

Our Daily Bread was a series of micro-episodes on the history of wheat and bread, with an episode every day through the month of August 2018.

Posts are in correct chronological order, so you need to scroll to the bottom to find the latest.