Cheese — Cheddar — Gourmet Gastronomer

A pressed, salted, often aged cow’s-milk cheese whose U.S. identity is a make procedure plus composition floors — not a color and not a calendar guarantee of “sharp.”

Cheddar is a named cheese with a U.S. standard of identity, not a marketing adjective. 21 CFR 133.113: minimum milkfat 50 percent by weight of the solids; maximum moisture 39 percent by weight. Dairy ingredients are subjected to a lactic acid-producing bacterial culture; a clotting enzyme sets a semisolid mass; that mass is cut, stirred, and heated to separate whey and curd; whey is drained; the curd is matted into a cohesive mass, cut into slabs that are piled to drain and develop acidity, then cut, optionally rinsed briefly, salted, stirred, further drained, and pressed into forms ¹. That pile-and-turn of slabs is the technique people call cheddaring. It is moisture and acid management, not orange dye.

If the dairy ingredients are not pasteurized, the cheese is cured at not less than 35 °F for at least 60 days ¹. That is a legal aging floor for that standardized food, not a flavor promise and not a home-cheesemaking license. See Food safety.

Composition beats the word “sharp” #

FAO lists cheddar-family work as ripening curd in the vat, milling, salting, pressing, then ripening ². Wisconsin CDR’s caution is specific: a cheddar at 38.5 percent moisture and/or 1.1 percent salt is likely to disappoint as a one-year “sharp” — soft-bodied, flat, and likely bitter ³. Moisture, fat, pH, and salt at the end of the vat set what Affinage can do. You cannot age your way out of a wet, undersalted make.

Clotting enzymes may be rennet or other animal, plant, or microbial enzymes. Calcium chloride is allowed as a coagulation aid at not more than 0.02 percent of the dairy ingredients ¹. See Rennet and Coagulation.

What to notice #

Young paste: firm, sliceable, lactic. Aged paste: drier, sometimes crystalline, savory rather than merely sour. Bitterness on a long calendar is often composition, not “needs more time” ³. Color is optional coloring in the standard; it is not doneness.

Pressing is how the milled, salted curd becomes a block: Pressing cheese. Cultures: Cheese cultures. Taste on Tasting cheese. Return to Cheese.

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21 CFR § 133.113 — Cheddar cheese — U.S. Food and Drug Administration (text via Cornell LII) — Example standardized cheese: culture, clotting enzymes, cutting/stirring/heating to separate whey, salting and pressing. If dairy ingredients are not pasteurized, the cheese is cured at not less than 35 °F for at least 60 days.
Small-Scale Dairy Farming Manual — Technology Unit 10.3 Small Scale Cheese Making — Food and Agriculture Organization of the United Nations — Technical notes on coagulation (acid vs enzyme), casein vs whey proteins, syneresis after cutting, salting, and ripening. Training-course material, not a U.S. safety regulation.
Successful Cheesemaking: Getting Back to Basics — Dean Sommer. Dairy Pipeline, Center for Dairy Research, University of Wisconsin–Madison. 2015 — Dairy Pipeline vol. 27 no. 2. Moisture, fat, pH, and salt as compositional levers; aging as periodic evaluation under temperature and humidity, not a calendar alone.

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Cheddar

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