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Cow milk is warmed to about 88 °F (31 °C), cultured and set with rennet, cut into 3/8-inch cubes and cooked slowly to about 96 °F (36 °C). Part of the whey is replaced with water to control acidity, and the curd drains in brick-shaped forms. The cheese is salted, smeared and ripened, mild after about 2 weeks and stronger after longer. Made in 7 steps over 2.6 months – 3 months. The longest step, cure, takes at least 2 months (US Code of Federal Regulations) and runs at 10 °C (Ryser E.T 1989). Lactic acid-producing culture does most of the fermenting.
Calcium chloride · Optional, to help coagulation[cfr133-108]
Starter
lactic culture, with a surface smear during ripening
Total time across the recorded steps: 2.6 months – 3 months
Start
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What changes:A lactic culture goes into milk warmed to about 88 °F (31 °C)
Step 1 of 7
Warm and culture the milk
Time
Not documented
Temperature
31 °C
Set
Salt
None given
Acidity
Not documented
Output: cultured milk.
Flavour
Not documented
Texture
Not documented
Colour
Not documented
Microbes at work in this step
lactic culture starts the acid
Method
Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source
What makes this one different
Brick is a US washed-curd cheese whose name may come from its shape or from the bricks once used as press weights. It sits between Limburger and Emmentaler in character.
Milk
Cow milk, nonfat milk or cream
Ripening
Smear for 2–4 weeks; at least 60 days if made from unpasteurized milk
Composition
At least 50 % milkfat in solids; at most 44 % moisture
Aged brickSmear ripened about 3 weeks, or longer for a Limburger-like cheese.
Safety
The US standard requires at least 60 days of curing at not less than 35 °F for cheese made from unpasteurized milk. Challenge studies showed Listeria monocytogenes and pathogenic E. coli can grow during making and smear ripening.
Hazards the sources name: Listeria monocytogenes grew on the smear in a challenge study and survived 20–22 weeks at 10 °C; Enteropathogenic Escherichia coli rose 1000-fold during making in a challenge study.