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French · Périgord

Sauce Périgueux

Sauce Périgueux is the Périgord’s most celebrated sauce — a truffle-enriched demi-glace that represents the supreme expression of the region’s black diamond, Tuber melanosporum (truffe noire du Périgord). The sauce is built on a foundation of demi-glace (reduced espagnole/brown sauce to half volume), enriched with Madeira wine and finished with finely diced truffle and truffle juice. The classical technique: reduce 500ml demi-glace by one-third over medium heat. In a separate pan, reduce 150ml dry Madeira by half (concentrating its oxidative, nutty character). Combine the reduced demi-glace and Madeira, bring to a gentle simmer, then add 50g fresh black truffle cut in brunoise (2-3mm dice) and 2 tablespoons of truffle juice (the liquid from canned truffles, or the juice released during truffle preparation). Simmer for 5 minutes only — prolonged heat diminishes the truffle’s volatile aromatics. Mount with 30g cold butter for gloss and body. The sauce should be dark, glossy, intensely aromatic, and full-bodied, with visible truffle pieces suspended throughout. The distinction between Sauce Périgueux (brunoise/diced truffle) and Sauce Périgordine (truffle slices) is meaningful in classical cuisine: Périgueux coats more evenly, while Périgordine provides dramatic visual impact. The canonical pairings are Tournedos Rossini (filet steak topped with foie gras, napped with sauce Périgueux), roasted poultry (particularly Poulet demi-deuil), and soft-cooked eggs (oeufs en cocotte Périgueux). This is not an everyday sauce but a celebration sauce — reserved for the truffle season (December-March) when fresh Tuber melanosporum is available.

ServesFour portions (approximately 400 ml finished sauce)
Total35 minutes
Sourced0of 5 in BC
Cook
I

The Market List

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500 ml
demi-glace
reduced espagnole to half volume
Not yet stocked in British Columbia
150 ml
dry Madeira
Sercial or equivalent dry style
Not yet stocked in British Columbia
50 g
fresh black truffle
Tuber melanosporum; cut in brunoise, 2–3 mm dice
Not yet stocked in British Columbia
30 ml
truffle juice
liquid from canned Périgord truffles, or juice released during preparation; approximately 2 tablespoons
Not yet stocked in British Columbia
30 g
unsalted butter
cold, cut into small cubes
Your own market
II

The Method

1
Pour the demi-glace into a wide saucepan and reduce over medium heat by one-third, skimming as necessary. The sauce is ready when it coats the back of a spoon with a dark, lacquered film.
From the canon — Demi-glace is the backbone of classical French brown sauce cookery — equal parts espagnole and fond brun reduced together by half, producing a sauce base of … Demi-Glace — Half-Glaze Sauce Base →
2
In a separate pan, reduce the dry Madeira by half over medium heat, concentrating its oxidative, nutty character. The liquid should smell of roasted nuts with no raw alcohol on the nose.
3
Combine the reduced demi-glace and the reduced Madeira in one pan and bring to a gentle simmer. Add half the truffle brunoise (25 g) and all the truffle juice. This is where the dish lives or dies: the truffle may remain in contact with the heat for no more than 5 minutes in total — prolonged heat dissipates the volatile aromatics that define the sauce entirely. After 4 minutes, add the remaining 25 g of truffle brunoise off or at the edge of the heat so that the final addition perfumes without cooking.
4
Remove the pan from the heat. Add the cold butter cubes and mount the sauce by swirling and tilting the pan steadily until every cube is absorbed. The sauce is done when it is dark, glossy, and visibly full-bodied, with truffle pieces suspended throughout rather than settled.
III

Quality Hierarchy

01
Reserve — Fresh Tuber melanosporum at the height of season (December–March), with truffle juice pressed from the same preparation; demi-glace made from a full veal stock reduction.
02
Estate — High-quality canned Périgord truffles (whole or pieces) with their tin liquor retained; the juice from a reputable producer is nearly as valuable as the truffle itself.
03
Market — Summer truffle (Tuber aestivum) at double the stated quantity; truffle juice from a reliable preserved source. The aromatic register is lighter and requires careful restraint of heat.
04
House — Preserved truffle trimmings with commercial truffle juice. The sauce remains serviceable as a demi-glace with Madeira, but the truffle character will be faint. Truffle oil is not a substitute.
IV

Sensory Tests

◇Sight. The reduced demi-glace coats the back of a spoon in an unbroken dark film before the Madeira is added.
◇Smell. The reduced Madeira smells of roasted nuts with no raw alcohol remaining.
◇Smell. At the 4-minute mark the sauce exhales a deep, earthy truffle perfume; if that perfume has already begun to fade, the heat has been held too long.
◇Sight. After mounting with butter, the finished sauce is dark, glossy, and full-bodied, with brunoise truffle pieces visibly suspended throughout.
◇Where it lives or dies. The truffle must not remain over heat for more than 5 minutes in total: beyond that threshold its volatile aromatics are lost and the sauce becomes merely a rich brown sauce with truffle garnish.
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VI

What to Pour

The pairing
Caol Ila 12 Year Old Single Malt
Caol Ila Distillery · Islay
Not yet stocked in British Columbia
Whisky
From British Columbia

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Without alcohol

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The whole pairing
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