FermenteaWhere food goes to change
Equipment · Tanks and vats
doil · doils · doilsin
A wooden curing vessel used for Valle d’Aosta Lard d’Arnad: 1763 records already list four old doils in Arnad Castle, and the current DOP process uses native hardwood containers.
A doil is a wooden vessel for curing the Valle d’Aoste Lard d’Arnad PDO. The old containers in the Aosta Valley tourism description are chestnut or robur oak. The current DOP production description names native oak, chestnut or larch and calls the vessel Doilsin. These are source-specific material statements: the regional history passage does not name larch, while the current production account does.
An inventory of Arnad Castle dated 1763 lists four doils in the kitchen and identifies them as old. The vessels therefore predate that inventory, but the record does not establish by how long, who made them, or when the form began. Documentary evidence for Lard d’Arnad processing goes back to 1570; that is early evidence for the product, not a dated first mention of the vessel.
The doil holds rectangular pieces of pork back fat while they mature. The documented process layers the lardo with salt, rosemary, garlic, sage and bay leaves, sometimes with whole spices, then covers the contents with a mixture of water and crystallised salt. The product page also describes salt, water, spices, natural aromas and mountain herbs between the lardo layers. The doil is thus used as part of a layered, brined curing process, not only as a box for finished lard.
Current production descriptions give a minimum maturation of three months, with some batches held for twelve or fifteen months. These durations describe the lardo process, not a rated doil capacity or a rule that every vessel should be filled in a particular way. No measured data are provided for wood's effect on salt movement, oxygen exposure or flavour, so those effects should not be inferred from timber choice alone.
A recent photograph of Arnad curing shows lardo in a broad open wooden box with tall straight sides. It gives a useful view of one working example and grounds this page's illustration, but does not establish a standard shape for all doils or a particular historical construction. No dimensions, capacity, joinery, lid, seal, cleaning routine, repair method or commissioning route are specified.
The documented place is Arnad, in Italy's Aosta Valley. The 1763 castle inventory locates the vessels there, and the protected product is made in Arnad. Neither statement proves that every doil was manufactured there or establishes an exclusive local origin for the vessel. After maturation, lardo may be vacuum-packaged or put into glass containers; practical vessel-care and food-contact validation information is not specified.
The official Aosta Valley tourism account reports that the first inventory of Arnad Castle, dated 1763, listed four doils in its kitchen. The official DOP Association says documentary evidence for Lard d'Arnad processing dates to 1570, while describing the doil preservation method as having ancestral origins and associating surviving specimens with the castle's old kitchens. The 1570 date supports early evidence for the product's processing, not a dated first appearance of this particular vessel.
The accounts do not state a standard doil capacity, dimensions, timber joinery, closure, leakage performance, or vessel-care procedure. A recent process photograph shows one open, rectangular wooden box; that view does not establish a single historical standard form.
Source →The tourism account names chestnut and oak for the old containers; the current DOP Association's production description additionally names larch. These are source-specific statements, not a claim that every doil used all three woods.
Source →The vessel is documented in the local Lard d'Arnad preparation and in Arnad Castle's 1763 kitchen inventory. This does not claim that doils were invented in Arnad or that all historical examples were made there.
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Associazione Lo Doil – Festa Lardo d'Arnad; official Lard d'Arnad PDO siteCurrent production · Materials · Use · History
How Lard d'Arnad PDO is producedThe Association describes wooden doils made from native oak, chestnut or larch, and calls them Doilsin.
Its account describes rectangular pork-back pieces, layers with salt and herbs, salted water covering the contents, and maturation for at least 3 months and sometimes 12 or 15 months.
The page states earliest documentary evidence for product processing dates to 1570 and dates the doil preservation method to the late 1700s; these claims are kept distinct from the 1763 inventory record.
Cited in: The vessel in Arnad's lard tradition; A wooden vessel for layered curing; Form, place and what the record does not establish
Official website for tourism in the Aosta ValleyHistory · Materials · Geography · Use
Lard d'Arnad PODThe Aosta Valley tourism account names Arnad and describes old doils of chestnut or robur oak.
It reports four doils already in the kitchen of Arnad Castle in its first inventory, dated 1763.
It describes alternating lard layers with salt, water, spices, natural aromas and mountain herbs, then at least three months of maturation.
Cited in: The vessel in Arnad's lard tradition; A wooden vessel for layered curing; Form, place and what the record does not establish