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Boudin Noir — Blood Sausage

Boudin noir is among the oldest charcuterie preparations in the French canon, a fresh sausage built on pig's blood (approximately 1 liter per kilogram of finished forcemeat), diced pork back fat, and cooked onions (Allium cepa), bound in natural hog casings and gently poached. The blood — which must be collected fresh from slaughter, immediately stirred to prevent coagulation of fibrinogen, and strained through a fine chinois — provides both the structural matrix and the defining iron-rich, mineral flavor. The classical Parisian formulation per kilogram: 400 ml fresh pig's blood, 250 g diced pork back fat rendered to translucency, 200 g onion slowly sweated in lard until deeply caramelized (45-60 minutes at low heat), 100 g fresh cream (35% fat), 30 g sea salt, 4 g quatre-épices, and 2 g ground cinnamon (Cinnamomum verum). The mixture is combined while warm — the fat and onion must be at 40-45°C when the blood is added to prevent premature coagulation, which begins at approximately 65°C as hemoglobin denatures. Stuffed loosely into hog casings (35-40 mm diameter) and tied at 20-cm intervals, the boudins are poached in water held at exactly 80°C (176°F) for 20-25 minutes. Above 85°C, the blood proteins contract violently, causing the casings to burst. The internal temperature should reach 72°C for food safety. Once poached, the boudins are cooled in ice water to set the gel structure. They are reheated by gentle pan-frying in butter, grilling, or baking. Boudin noir is classically served with sautéed apples (Malus domestica, preferably Reinette) and pommes purée.

‹Swipe for the next dish›
ServesFour portions (yields approximately 6–8 boudins at 20 cm each)
Total2 hours 30 minutes (including 60 minutes caramelising onions)
Sourced2of 12 in BC
Cook
‹ Previous · Boudin Blanc — White Sausage|Next · Boudin Noir Normand ›
I

The Market List

The benchmark for each ingredient, and who stocks it near you. Tap a stockist to go straight to the product.

400 ml
fresh pig's blood
collected fresh, stirred immediately to prevent coagulation, strained through a fine chinois
Not yet stocked in British Columbia
250 g
pork back fat
diced, rendered to translucency
Not yet stocked in British Columbia
200 g
onion
Allium cepa, finely sliced
Your own market
30 g
lard
for sweating onions
Not yet stocked in British Columbia
100 g
fresh cream
35% fat
Your own market
30 g
sea salt
Your own market
4 g
quatre-épices
ground
Not yet stocked in British Columbia
2 g
ground cinnamon
Cinnamomum verum
Your own market
1 m
natural hog casings
35–40 mm diameter, rinsed
Not yet stocked in British Columbia
For service
2
Reinette apples
Malus domestica, peeled, cored, sliced
Origin · New ZealandPurely Artisan Foods · San Diego →
50 g
unsalted butter
for beurre noisette and apple sauté
Your own market
500 g
floury potatoes
for pommes purée
Origin · FranceLekker · Vancouver →

Each tap is counted, so the stockist sees the demand Provenance sends them.

II

The Method

1
Collect the pig's blood fresh and stir it immediately and continuously to break up the fibrin threads before coagulation sets. Pass it through a fine chinois into a clean bowl and hold it at room temperature. Strained blood is fluid and a deep, even burgundy with no visible clots.
2
Melt the lard in a wide, heavy pan over the lowest possible heat. Add the sliced onions and sweat, stirring occasionally, for 45–60 minutes until deeply caramelised and reduced to a soft, mahogany mass. They are done when no sharp onion smell remains and a spoon dragged across the pan leaves a clean line.
3
Add the diced pork back fat to the caramelised onions and render gently until the fat cubes are translucent and yield to light pressure — opaque white centres signal underrendering. Remove from heat and allow the mixture to cool to 40–45°C; verify with a probe thermometer.
From the canon — Onions cooked in fat over medium-low heat for 45–60 minutes until deeply browned, sweet, and reduced to approximately one-fifth of their original volume. Caramelised Onions: The Time Requirement →
4
This is where the dish lives or dies. With the fat-and-onion mixture confirmed at 40–45°C — below the coagulation threshold of 65°C at which haemoglobin denatures — pour the strained blood and the cream into the pan in a steady stream, stirring constantly. Add the sea salt, quatre-épices, and cinnamon. The mixture must remain warm and fluid, a uniformly dark, glossy slurry; any grey granulation signals premature coagulation and the batch cannot be recovered.
From the canon — Quatre-épices is the foundational spice blend of the French garde manger, a finely calibrated mixture whose standard ratio—by weight—is 7 parts white pepper … Quatre-Épices — The Classical French Spice Blend →
5
Fit the rinsed hog casings onto a sausage funnel and fill loosely, leaving perceptible slack so the proteins have room to expand during poaching. Tie at 20-cm intervals. Prick any visible air bubbles with a sterile pin. The casing should feel soft and yielding, not taut, under the fingertips.
From the canon — Poaching is cooking a protein in liquid at a temperature below the boil — typically 75–85°C for most proteins, with variations specific to each. Poaching (Pocher) →
6
Bring a large pot of water to exactly 80°C and maintain it throughout poaching — a thermometer clipped to the side of the pot is essential. Lower the boudins in gently and poach for 20–25 minutes. The water must remain still and barely trembling; any rolling boil will burst the casings. The boudins are done when an instant-read probe inserted at the thickest point reads 72°C.
7
Transfer the poached boudins immediately to ice water and hold until fully cold. The gel matrix sets as the blood proteins cool; the sausage should feel firm and resilient under a finger, not soft or yielding.
8
To serve, heat butter in a heavy pan until it foams and begins to colour to a hazelnut brown. Sear the boudins over moderate heat for 2 minutes per side. The casing should take on a deep mahogany colour with audible sizzling; the surface firms and crisps without splitting. In a separate pan, sauté the apple slices in butter until golden and just tender. Serve alongside pommes purée.
III

Quality Hierarchy

01
Reserve — Blood taken within minutes of slaughter at a known farm; back fat from a heritage breed (Berkshire, Noir de Bigorre) with a clean, sweet flavour; Reinette apples from a named orchard; Cinnamomum verum (true Ceylon cinnamon, not cassia).
02
Estate — Blood sourced from a butcher who slaughters on the premises; quality pork back fat with no rancid notes; locally grown Reinette or Boskoop apples; freshly ground quatre-épices blended in-house.
03
Market — Fresh pig's blood ordered ahead from a reliable ethnic or specialist butcher; commercial pork back fat; Cox or Braeburn apples; commercially blended quatre-épices of reasonable quality.
04
House — Fresh blood is the absolute lower bound — oxidised or stale blood that has begun to turn produces an irredeemable metallic bitterness; no substitution for blood exists within this preparation.
IV

Sensory Tests

◇Sight. Strained blood is a fluid, uniform deep burgundy with no visible clots or fibrin strands.
◇Smell. Caramelised onions are done when no sharp, raw allium note remains — only a sweet, roasted fragrance.
◇Touch. Rendered back fat cubes are translucent and yield to the lightest pressure without a firm, opaque centre.
◇Sight. The combined forcemeat is a glossy, uniformly dark slurry; any grey granulation indicates premature coagulation.
◇Touch. Stuffed casings feel slack and yielding under the fingertips, not drum-tight.
◇Sight. Poaching water is still and barely trembling — a single lazy bubble at most — never a rolling boil.
◇Touch. After cooling in ice water, the boudin is firm and resilient, not soft or gelatinously slack.
◇Sound. At service, the casing sizzles audibly in beurre noisette and resists splitting — silence in the pan suggests insufficient heat; a loud crack or split means excessive heat.
◇Where it lives or dies. The blood must meet the fat-and-onion mixture at 40–45°C — if the temperature has risen above 65°C, the haemoglobin denatures on contact, the forcemeat granulates, and no subsequent step can restore it.
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VI

What to Pour

The pairing
Mugnier Musigny Grand Cru
Domaine J.-F. Mugnier · Chambolle-Musigny
Not yet stocked in British Columbia
Wine
From British Columbia
Fort Berens Riesling
Fort Berens Estate Winery · Lillooet
Not yet stocked in British Columbia
Wine
Without alcohol
GT's Synergy Organic Kombucha — Gingerade
Not yet stocked in British Columbia
Non-alcoholic

Why each one works is part of membership — Enter · from $49 a year →

The whole pairing
Pillar VII
Origin and lineage are part of membership.
Where the dish comes from and how it came to be — on every recipe.
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Sourced through Provenance

The hands behind the plate.

Purely Artisan Foods
San Diego · Reinette apples
→
Lekker
Vancouver · floury potatoes
→
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