Cheese — Raw-milk cheese — Gourmet Gastronomer

Cheese made from milk that was not pasteurized — in U.S. interstate commerce a legal exception to mandatory pasteurization, not a home aging method.

Raw-milk cheese is cheese whose dairy ingredients were not pasteurized. It is a legal category in U.S. interstate commerce, not a tasting adjective or a home-aging method.

21 CFR 1240.61: milk or milk products in final package form for direct human consumption, after shipment in interstate commerce, must be pasteurized or made from dairy ingredients that have all been pasteurized — except where alternative procedures to pasteurization are provided by regulation, such as in part 133 for curing of certain cheese varieties ¹. The 60-day rule is that alternative. It is a curing condition written into named cheese standards, not a general license to leave milk out.

What the 60-day language actually says #

Cheddar identity: if the dairy ingredients are not pasteurized, the cheese is cured at a temperature of not less than 35 °F for at least 60 days ². Soft ripened cheeses in 133.182 use the same floor: if the milk is not pasteurized, the cheese is cured at not less than 35 °F for not less than 60 days ³. USDA dairy-plant inspection text in 7 CFR 58.439 says cheese made from unpasteurized milk shall be cured 60 days at not less than 35 °F when the cheese is labeled heat treated, unpasteurized, raw milk, or for manufacturing ⁴. That USDA section is plant-inspection language, not an FDA standard of identity. The numbers match. The jobs differ.

Not every named cheese offers that alternative. Some identities require pasteurized dairy ingredients. The exception is variety-specific. Read the standard in front of you. Do not copy cheddar’s 60-day sentence onto a fresh cheese.

Pasteurization times and temperatures in 1240.61 apply to milk products, not to a home cheese protocol ¹.

Legal control is not the same as a kill step #

Aging was written into the standards as a procedure that stands in for pasteurization. That is a regulatory design, not a tasting recommendation. A 2015 joint FDA / Health Canada quantitative risk assessment of listeriosis from soft-ripened cheese treats the U.S. 60-day / 35 °F language in 133.182(a) as the current rule, then models what that extra time does in a paste where Listeria monocytogenes can grow ⁵. Their conclusion for those cheeses: the 60-day aging regulation can increase predicted listeriosis risk relative to unrestricted aging, because the organism has longer to grow when conditions permit ⁵. They also found raw-milk soft-ripened cheese substantially riskier than pasteurized-milk soft-ripened cheese in the scenarios they modeled ⁵.

That finding connects raw-milk cheese to Bloomy rind and Washed rind. A high-moisture, surface-ripened paste is a different microbial habitat from a dry, acidic hard cheese. Calendar aging is a poor proxy for “safe now.” Affinage is quality: moisture leaving, enzymes working, rinds behaving. Food safety is Food safety. Do not confuse the two.

Practical limit #

Sixty days does not make raw milk universally safe, and no generic home aging schedule or cave temperature can substitute for the applicable control. State rules for purely intrastate cheese can differ; the FDA/Health Canada assessment notes significant state-to-state differences for raw milk ⁵. Follow the jurisdiction that actually governs the plant or the sale.

Milk is the starting food. Fermentation continues in the paste whether the milk was heated or not. Return to Cheese.

Sources & further exploration

Cited in this article

21 CFR § 1240.61 — Mandatory pasteurization for milk and milk products in final package form intended for direct human consumption — U.S. Food and Drug Administration (text via Cornell LII) — Interstate rule: milk or milk products in final package form for direct human consumption must be pasteurized, except where alternative procedures to pasteurization are provided by regulation, such as part 133 for curing of certain cheese varieties.
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.
21 CFR § 133.182 — Soft ripened cheeses — U.S. Food and Drug Administration (text via Cornell LII) — Catch-all U.S. identity for soft ripened cheeses not otherwise standardized: milkfat not less than 50% of solids; cured so the cheese cures from the surface toward the center. Cow, goat, or sheep milk allowed. If milk is not pasteurized, cured at not less than 35 °F for not less than 60 days.
7 CFR § 58.439 — Cheese from unpasteurized milk — U.S. Department of Agriculture (text via Cornell LII) — USDA dairy-plant inspection text (not an FDA standard of identity): cheese made from unpasteurized milk shall be cured 60 days at not less than 35 °F. Applies when cheese is labeled heat treated, unpasteurized, raw milk, or for manufacturing.
Joint FDA / Health Canada Quantitative Assessment of the Risk of Listeriosis from Soft-Ripened Cheese Consumption in the United States and Canada — Régis Pouillot, Sherri Dennis, Steve Gendel, Mark Smith, William Ross. FDA Center for Food Safety and Applied Nutrition / Health Canada Food Directorate. 2015 — July 2015 risk assessment. Cites 21 CFR 133.182(a) 60-day / 35 °F language. Concludes that for soft-ripened cheeses in which Listeria monocytogenes can grow, the 60-day aging regulation can increase predicted listeriosis risk relative to unrestricted aging.

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