A whole Bresse hen with black truffle slices slid under the breast skin (black-on-white, 'half mourning'), poached gently in stock with vegetables — the kitchen of Mère Brazier, Lyon.
Poulet demi-deuil was codified by Eugénie Brazier (Mère Brazier) at her Lyon restaurant in the 1920s-30s — she earned three Michelin stars in 1933, the first woman to do so, with this dish at the centre of her menu. The 'half mourning' name comes from the visual contrast of black truffle against white skin, French mourning dress traditionally being half-black for a partial bereavement. The recipe was formalised by Mère Brazier's pupil Paul Bocuse, who carried it into modern Lyonnais haute cuisine. Bresse hen and black Périgord truffle remain the canonical ingredients.
Codified by Eugénie Brazier (Mère Brazier) in 1920s-30s Lyon — she earned three Michelin stars in 1933, the first woman to do so, with this dish at the center. Truffle goes UNDER the skin: the fat layer absorbs and redistributes aroma over the 24-hour rest. 88°C poach max — boiling toughens the breast and clouds the bouillon.
A pearly-skinned bird, almost ghostly pale because it never browned, with black truffle ovals visible through the breast skin like markings on porcelain. Carved, the breast meat is moist white with thin black streaks at every cut. Aroma hits before flavour: forest-floor truffle, then chicken bouillon, then the cleaner background of leek and carrot. Texture is gentle — poached, not roasted, so no skin crunch. The velouté pulls the truffle scent into a glossy yellow ribbon on the plate.
The two non-obvious technical points are the under-skin placement and the strict 88°C poach. Truffle aroma compounds are fat-soluble; sliding the slices under the skin puts them in direct contact with the subcutaneous chicken fat layer, which absorbs and redistributes the aroma during the 24-hour rest. If you place truffle on top of the skin, you only get surface scent. The poach must stay below 90°C — boiling toughens the breast and clouds the bouillon, defeating both the texture and the visual purity that the dish is built around.
Variations
Bocuse's three-star version at L'Auberge du Pont de Collonges (poached in pig's bladder); Mère Brazier's restaurant still serves the original; the simpler Mère Filloux variant uses morels instead of truffle in summer.
On the Palate
Where Poulet Demi-Deuil sits in the French flavor cloud
Ingredients
Serves 4
How it's made
5 steps · 50 min active + 2 hours 10 min waiting
- 120 min
Take a 1.8kg poularde de Bresse (or top free-range hen). Slice 30g black truffle into 2mm coins. Slide your fingers between skin and breast meat to lift the skin; insert truffle slices flat against the flesh, covering the breasts and upper thighs. Truss tightly so the skin holds the truffle in place.
Watch outSlide the truffle flat against the meat under the skin, not on top — buried in the fat layer it perfumes the breast; laid on the skin you only get surface scent.
- 25 min
Wrap the bird snugly in muslin and refrigerate 24 hours — the truffle aroma migrates into the breast through the fat. Without this rest the truffle stays surface-only.
Watch outGive it the full cold rest wrapped tight — this is when the truffle aroma migrates through the fat into the meat; rush it and the flavor stays skin-deep.
- 310 min
Build the bouillon: in a deep pot, cover the chicken with 3L cold light chicken stock. Add 2 leeks halved, 2 carrots, 1 onion studded with 3 cloves, 1 celery stalk, a bouquet garni. Bring to barest simmer (88°C — surface trembles, no rolling bubbles).
- 475 min
Poach at that gentle simmer 1 hour 15 minutes — internal breast temp 70°C, thigh 75°C. The skin stays pale; the truffle remains visible as black ovals through translucent skin. Lift the bird, drain, rest 10 minutes wrapped in foil.
Watch outHold the poach at a bare tremble, never a bubble — the surface should just shiver; a rolling boil toughens the breast and clouds the clear broth.
- 512 min
Reduce 500ml of the bouillon by half, whisk in 50g cold butter and 2 tbsp crème fraîche to make a velouté. Carve the chicken at the table — each slice shows pink truffle-marbled white meat. Serve with poached vegetables from the pot and the velouté.
Watch outWhisk in the butter cold to prevent it from separating in the sauce.
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