Quick Answer: How Can You Tell If Peanut Butter Has Gone Bad?

What food has the longest shelf life?

Some foods have naturally long shelf lives, and if stored properly, will keep for months or years….Stay prepared: Foods with the longest shelf lifePotatoes.

• Shelf life: 2 to 5 weeks.

Onions.

• Shelf life: 1 to 2 months.

Peanuts.

Winter squash.

Apples.

Tea.

Powdered milk.

Beef jerky.More items…•.

Should peanut butter be refrigerated after opening?

An open jar of peanut butter stays fresh up to three months in the pantry. After that, it’s recommended to store the peanut butter in the fridge (where it can maintain its quality for another 3-4 months). If you don’t refrigerate, oil separation can occur.

What do you do with expired peanut butter?

If the peanut butter begins to smell rancid, toss it. A natural separation of oil is natural, especially in the natural peanut butters that do not contain additional fats as stabilizers.

Is it safe to eat peanut butter after expiration date?

Peanut butter in a plastic jar at the supermarket usually has a sell-by date of about 18 months after it hits the shelf. Past this date, if it’s unopened it’s still perfectly good. … You’ll want to toss fresh peanut butter after two months.

How long does a closed jar of peanut butter last?

about 2 yearsProperly stored, an unopened jar of peanut butter will generally stay at best quality for about 2 years at normal room temperature. Is unopened peanut butter safe to use after the expiration date on the package?

Is peanut butter still good if it separates?

Why Peanut Butter Separates This separation is called syneresis, which is just a fancy word that means “liquid separating from a solid mixture.” The liquid isn’t dangerous. Had it not separated from the peanut butter you would’ve eaten it anyway.

Can you get food poisoning from peanut butter?

The peanut butter may be contaminated with salmonella, bacteria that cause food poisoning.

What happens if you eat rancid peanut butter?

This happens normally in peanut butter and can be resolved simply by stirring. … Health-wise, however, rancid peanut butter is not something to really worry about. “It won’t hurt you if you eat it — it will just taste bad,” says Maribeth Cousin, a professor of food science at Purdue University in Indiana.