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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

Andrew Olney/Digital Vision/Getty Images

Ketchup

Unopened: 12 months in the pantry.

Opened: 6 months in the refrigerator, 1 month in the pantry.

While you see opened bottles of ketchup sitting out on restaurant tables, it’s best to store your own ketchup (which probably gets used less often) in your refrigerator.

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What's the oldest condiment in your refrigerator?

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