Food Expiration Dates 101: How Long to Keep Pickles, Mayo and Other Condiments

Almost everyone has a jar of something really old in the back of their fridge. And that mystery jar usually contains some sort of condiment. Read on for StillTasty’s guidelines on keeping and tossing ketchup, mayonnaise, mustard, salad dressings and more!

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Lisa Cericola on Feb 19, 2013 at 1:05PM

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Food Expiration Dates 101: How Long to Keep Pickles, Mayo and Other Condiments

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Mayonnaise

Unopened: 3 to 4 months after the sell-by date on the package.

Opened: 2 to 3 months after the sell-by date on the package.

Sell-by dates represent the manufacturer’s estimate of how long the product will be at peak quality. In most cases, opened food is safe to consume after a sell-by date if it has been stored properly and continuously refrigerated.

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