We’ve all been there: You’re cleaning out the pantry, and you come across a jar of peanut butter that’s past its expiration date. It’s tempting to toss it out, but is it actually safe to eat? The short answer is, it depends—but let’s dive into why expired peanut butter may or may not be harmful.
Understanding Peanut Butter’s Shelf Life
Peanut butter is a shelf-stable product, meaning it can last a long time without refrigeration. Unopened jars can typically last well beyond their expiration dates, often 6 to 12 months. Once opened, the shelf life may shorten, but it can still be safe to consume for some time after the expiration if stored properly.
Factors That Affect Peanut Butter’s Safety After Expiration
1. Oil Separation
If you notice that the oil has separated on top of the peanut butter, don’t panic—it’s normal for natural peanut butter. However, if the oil smells rancid or the texture has become unusually thick or gritty, that’s a sign it may have gone bad.
2. Signs of Spoilage
Check for any visible signs of mold, an off or sour smell, or unusual discoloration. If any of these are present, it’s time to discard the peanut butter. Spoiled peanut butter can cause foodborne illness, so it’s best not to take the risk.
3. Taste Test
If your peanut butter looks fine and smells normal, it’s a good idea to taste a small amount before consuming a larger serving. If it tastes off or bitter, it’s best to throw it away.
4. Storage Conditions
How you store peanut butter plays a huge role in its longevity. If stored in a cool, dry place with the lid tightly sealed, peanut butter can last a lot longer past its expiration date. However, heat or humidity can speed up spoilage, so make sure it’s been stored properly.
In most cases, expired peanut butter is still safe to eat, but its quality may be compromised. If it smells, looks, or tastes off, it’s best to play it safe and dispose of it. Always check for the telltale signs of spoilage to avoid unnecessary risks. When in doubt, it’s better to err on the side of caution—after all, a jar of fresh peanut butter is just a trip to the store away.