Ledger / Soft ripened / 2026-10-03
Brie-Style: Large Format, Slow Drain, and Why Thin Is Harder
A 30 cm brie and a 10 cm Camembert are the same recipe at different scales, and the large one is easier. It ripens more evenly and it does not go over the edge the day after it is ready. If your Camembert keeps turning to ammonia, make it wider instead.
Each segment is as wide as its share of the 240 minutes in the vat; the set segment carries the set temperature, the cut segment carries the cut size.
Salt and press drawer
Press ladder
Penicillium candidum sprayed or dusted on, then 90% RH at 11-13 C until the white felt is complete.
Seventy minutes to a very soft set
0.7% mesophilic culture at 32 C, sixty minutes of ripening, 20 IMCU of rennet per litre, seventy-minute set. The set is deliberately fragile. You are not going to cut it into cubes in any meaningful sense; you are going to break it into 25 mm pieces with a knife and let it settle.
Stir for twenty minutes, very slowly, then drain in a single large hoop rather than individual moulds. One 30 cm hoop gives a better cheese than six small ones for the same volume of curd.
Drain in one hoop for two and a half hours
Line a 30 cm hoop with draining cloth and fill it in three passes forty minutes apart, letting each settle under its own weight. Two and a half hours total. Turn the whole cheese once at ninety minutes by inverting onto a second rack.
A large format drains more slowly in the centre, which is exactly what you want: it leaves a slightly higher moisture core that ripens into the runny middle the style is known for.
Twenty percent brine for ninety minutes a side
Brine at 20%, 200 g of salt per litre, at 12 C. Float the cheese in it for ninety minutes, then turn it and give the other side ninety minutes. Dry on a rack at 16 C and 70% RH overnight.
Dry-salting a large brie is possible but uneven. At this size the brine method gives you a much more consistent rind, and the surface is dry enough for the mould by the next morning.
Six weeks, and a firm hand with the box
Age at 11 C and 90% RH for six weeks. The white coat is complete in ten days; after that, pat it down flat every second day with a clean dry hand. Pressing the felt down is what stops it growing thick and furry, which is the first sign of too much humidity.
At three weeks the paste under the rind starts to soften. At five weeks it runs when cut at room temperature. Wrap in greaseproof at four weeks and move to 6 C to slow it down if you want to eat it over a longer window.
Aging parameters
| Milk | Pasteurised cow milk 3.5% fat |
|---|---|
| Culture | Mesophilic 20–30 °C |
| Rennet | Calf rennet (animal) 20 IMCU/L |
| pH at drain | 4.7 target 6.1–6.5 |
| Target moisture | 66 % |
| Cave temperature | 11 °C |
| Cave humidity | 90 % |
| Aging days | 42 days |
| Rind treatment | Bloomy rind (sprayed) |
| Yield | 1.8 kg |
Pasteurised cow milk Soft ripened 42 days
Defect diagnosis
Flagged on this make: Misread surface mould、Rancidity
Bitterness not seen
Signal — A harsh, lingering bitter note at the back of the palate, strongest in the first three weeks and often fading after six.
Cause — Too much rennet for the set time, or a microbial coagulant with high protease activity, or a scald that never got past 38 C.
Fix — Cut the dose by 20% next make and hold the scald 2 C higher for 10 minutes longer. Bitter peptides are water-soluble, so a 12% brine for 24 hours pulls some out.
Rancidity seen this make
Signal — Soapy, paint-like smell that hits before the cheese reaches the mouth. Sharp and unpleasant rather than merely strong.
Cause — Free fatty acids released by lipase, usually from raw milk that sat warm too long, or from rennet paste, or from a knife or cloth that carried old milk residue.
Fix — Chill milk to 4 C within two hours of milking and pasteurise anything older than 24 hours. Retire the cloth: boil it, do not just rinse it.
Faulty eye formation not seen
Signal — Either no eyes where the style demands them, or a scatter of irregular slits and cracks instead of round, evenly spaced holes.
Cause — Coliform or yeast contamination from unsanitary brine, or a press that was too cold (below 18 C) so the propionic culture never woke up, or too much salt killing it outright.
Fix — Boil and re-salt the brine to 18-20% between batches, press at 20-22 C for the first six hours, and keep the salt under 1.6% for eye-forming styles.
Misread surface mould seen this make
Signal — A grey-green or black fuzzy patch on a rind that was supposed to be white or orange, or blue speckling on a hard cheese.
Cause — Wild Penicillium and Cladosporium from a cave with moving air and standing humidity. Also from brushing a good rind with a damp, dirty brush.
Fix — Distinguish before you discard: white felt and orange smear are wanted, green fuzz on a hard rind is surface only and rubs off with 3% brine. Black patches that pit the paste mean the wheel is lost.
Four things to carry forward
- 0.7% mesophilic, 20 IMCU/litre, 70-minute set at 32 C
- Drain in one 30 cm hoop, filled in three passes
- 20% brine at 12 C: 90 minutes per side
- Pat the white felt flat every second day