How long does sour cream stay good for?
Sour cream will generally be safe to eat up to three weeks after the expiry date, opened or closed, if kept in a refrigerator. Always check your sour cream for signs of spoiling before eating such as an off smell or visible mould.
According to the USDA, sour cream (opened or unopened) is good for up to three weeks after the sell-by date, as long as it's been stored in the refrigerator.
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