Colorado State University Extension
SafeFood Rapid Response Network
SAFEFOOD NEWS - Spring 1997 - Vol. 1, No. 3
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Q: Is it safe to microwave-heat foods in margarine tubs or cottage cheese containers?
A: No, according to the USDA's Meat and Poultry Hotline. Cold food storage containers are intended for those uses only. They have not been tested or approved for any other use, including cooking. Margarine tubs and cottage cheese containers are not heat stable, and chemicals from the plastic may migrate into the food during heating, including microwave heating.
Updated Monday, August 29, 2011