How long will cottage cheese be “good” once it’s opened?

Regardless of how it is processed, once a container of cottage cheese is unsealed, it will usually last only 7-8 days in the refrigerator before losing freshness and developing signs of spoilage, such as an “unclean” or “off” aroma. Also, mold may develop.
Dr. Rani Govindasamy-Lucey – senior scientist, Wisconsin Center for Dairy Research, University of Wisconsin


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