The dos and don’ts for storing mayo and leaving it out of the fridge.

But mayonnaise is a different storyit contains eggs.

And eggs aren’t known for their lengthy lifespan.

Mayonnaise in a jar with the lid of and a spoon on the side

Liudmila Chernetska / Getty Images

If you’re wondering how long istoo longto leave out mayo, then we have the answers.

Properly storing mayonnaise is key to avoiding foodborne illness.

How Long Can You Leave Mayo Out?

how to make mayonnaise with an immersion blender

Simply Recipes / Alison Bickel

Ideally, mayonnaise is stored in the fridge or served up immediately to reduce your risk of foodborne illness.

Is it still okay to eat?

For reference, a refrigerator keeps food at about 40F.

That’s why the bottle or jar can sit unrefrigerated in the supermarket.

TheUSDA also recommendsstoring open mayo in the fridge and tossing it after 2 months.

The lessen your risk of foodborne illness, it’s possible for you to makehomemade mayonnaiseusing pasteurized eggs.

If mayonnaise has visible mold, an off-smell, or an unnatural hue, toss it immediately.