How Long Does Mayo Last in the Fridge?

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Emma ReedTips Editor

Practical kitchen shortcuts, household tips and everyday how-to guides.

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How Can You Tell if Mayonnaise Has Gone Bad?

Never taste questionable mayonnaise just to determine whether it’s safe.

Instead, look for obvious signs of spoilage.
1. Unusual Smell

Fresh mayonnaise should have its normal mild, tangy aroma.

If it develops a distinctly unpleasant, sour, rancid, or otherwise unusual smell, discard it.
2. Changes in Appearance

Watch for:

Mold
Unusual discoloration
Dark or strange-looking spots
Significant separation accompanied by other spoilage signs

A little separation isn’t necessarily proof that mayonnaise is spoiled, but visible mold is a clear reason to throw the product away.
3. Unusual Texture

If the mayonnaise

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