Grated cheeses in moisture-proof packages will keep for about 3 months at room temperature or about 12 months at a refrigerator temperature of 40 F or below. Dealing with mold on cheese . If mold develops on cheese, discard one-half inch of cheese on all sides of the visible mold. The exception is mold-ripened cheeses such as Roquefort and blue. In general, most molds are harmless, although some may produce toxins that may diffuse into the cheese.
Undesirable mold occurs when cheeses are improperly wrapped and consequently exposed to air.
Serving cheese . With the exception of cottage cheese, which should be chilled when served, most cheeses should be served at room temperature. The amount of cheese to be used should be taken from the refrigerator and allowed to warm to room temperature for about 30 minutes prior to serving. Cooking with cheese . Cook cheese dishes at a low temperature for a minimum amount of time.