Cheese, Chaource-Style

⚠ UNTESTED. A briefing.

Chaource is where this family stops being one recipe with six shapes, and it is the reason this batch is worth having.

🔴 It is a LACTIC-set bloomy cheese, not a rennet-set one. A camembert gets a normal rennet dose and sets in an hour or two. A Chaource gets a tiny dose and coagulates slowly over twelve to twenty-four hours, mostly by acid, and is then drained by gravity without ever being cut.

⭐ And that changes what “ripe” means. A ripe camembert runs. A ripe Chaource has a soft, creamy layer under the rind and keeps a fragile, chalky, almost mousse-like core that never becomes liquid — because the protein network was built by acid rather than by chymosin, and it breaks down differently.

So a chalky centre here is the cheese working correctly, where in a camembert it means it is not ready. Same observation, opposite verdicts, and nobody tells you.

It is also a tall cheese — a squat cylinder rather than a disc — which is only possible because of the lactic set: that core does not need the ripening front to reach it.

Ingredients

• 1 gallon whole milk (not ultra-pasteurised)
• 1/8 tsp mesophilic culture
• 1/16 tsp Penicillium candidum
• 1/32 tsp Geotrichum candidum, optional — gives a finer, more wrinkled rind
• 1/4 tsp calcium chloride solution, if the milk is shop-bought
• 3 drops liquid rennet, single strength, diluted in 1/4 cup cool unchlorinated water
• 2 tsp fine salt
• 2 tall straight-sided moulds, about 4 inches across and 4 inches deep
• Two-ply cheese paper for wrapping

Directions

Key ingredients

Salt

1. Warm the milk to 72-75 F / 22-24 C. Room temperature, not cheese-vat temperature. This is the first sign you are making something different.

Culture it, add the P. candidum and any Geotrichum, and stir right through.

1. 🔴 Three drops of rennet for a whole gallon. Diluted in cool unchlorinated water. That is not a typo and it is not a low-rennet variation of a camembert — it is a different coagulation. The acid is doing the work and the rennet is only firming the result enough to handle.
2. Cover and leave it 12 to 24 hours at room temperature. You want a firm, clean set with whey standing clear on top — much like a very firm yogurt.
3. Ladle into tall moulds. Do not cut, do not stir, do not press. Lift slices of the set curd in whole. They will sink dramatically over the first hours — keep topping up, and expect a gallon to fill less than you hoped.
4. Drain 24 to 36 hours at 68 F / 20 C, flipping once the wheel is firm enough to survive it. ⚠ These are fragile and tall, which is a bad combination — flip between two boards.

Dry-salt all over at about 2%, then dry the surface until dry to the touch.

1. Ripen at 50-55 F / 10-13 C, 90-95% RH, flipping daily. The white coat arrives at day 7 to 12 — a little slower than a camembert, because the surface starts more acid.

Wrap in two-ply paper and move to 39-45 F once the coat is full.

1. Eat at 3 to 4 weeks. Cut it and expect a visible three-layer structure: rind, a creamy translucent band beneath it, and a white chalky core. All three at once is what you are aiming for.

Notes

Where this recipe came from — and what it isn’t 🔴 UNTESTED. 🔴 This is not Chaource AOP, which has been protected since 1970 and is made in a defined area straddling the Aube and the Yonne, on the Champagne–Burgundy border. This is a Chaource-style cheese.

🔴 Lactic-set versus rennet-set — the axis nobody explains Every book sorts this family by shape and by rind. The distinction that actually predicts how a cheese eats is how it was coagulated, and there are two answers.

Rennet-set (camembert, brie): a normal dose of rennet, a set in an hour or two, a curd that is cut and handled. Ripened, the paste goes fully molten and runs.

Lactic-set (Chaource, Saint-Marcellin, most fresh goat cheeses): a tiny rennet dose and a very long, mostly acid coagulation — twelve to twenty-four hours — drained by gravity without cutting. Ripened, the outer paste softens but the centre keeps a fragile, chalky, mousse-like core that never becomes liquid.

⭐ So a chalky centre in a Chaource is the cheese working correctly, and a chalky centre in a camembert means it is not ready. Same words, opposite verdicts — and it is the single most useful thing to know before buying or making one.

Why the tall shape is possible here and not for a camembert ⭐ A camembert must be thin because the ripening front has to reach the middle, and if it cannot you get a permanent chalky core. A lactic-set cheese does not have that constraint, because the chalky core is not a defect — it is the design. So Chaource can be a deep cylinder where camembert cannot, and the shape is a consequence of the coagulation rather than a regional preference. This is the clearest illustration in the whole family that form follows chemistry.

What it is eaten with, and why that is not arbitrary Chaource comes from the edge of Champagne and is traditionally drunk with it. The pairing logic is the same one behind port and Stilton: a rich, high-fat, acidic cheese against acidity and bubbles, which cut the fat rather than compete with it.

What goes wrong It collapsed in the mould: over-acidified, or moved too early. No core at all, gone molten: too much rennet — check your dose, three drops is genuinely the instruction. Sour and sharp rather than creamy: the set ran too long or the room was too warm. Slimy surface: too wet going into the cave.

Read alongside /cheese/makes/soft-ripened-bloomy/ and /cheese/science/coagulation/ on the site.