Can I Eat Expired Peanut Butter?
Safe to eat up to 180 days after expiry
Expert Source
"Peanut butter can be stored at room temperature for up to three months, but for longer storage, it is recommended to refrigerate it to maintain quality and prevent spoilage." - World Health Organization
✅Fresh Peanut Butter

⚠️Spoiled Peanut Butter

Storage Guidelines
Storage Location
Pantry
Ideal Temperature
Room temperature
Best Storage Method
Keep tightly sealed in a cool place
Shelf Life
Average Shelf Life
365 days
Signs of Spoilage
Oil separation (normal), rancid smell, mold
Additional Information
Alternative Uses
Use in baking or smoothies
Possible Substitutions
Almond butter, sunflower butter
Frequently Asked Questions
What's the difference between expiration and best quality dates for Peanut Butter?
The expiration date on peanut butter primarily indicates the manufacturer's guarantee of quality and flavor. Peanut butter is safe to eat past the expiration date as long as it has been stored properly and shows no signs of spoilage. Over time, the oils in peanut butter may separate and become rancid, affecting the taste and quality. It's best to consume peanut butter within 3 to 6 months after opening for optimal flavor.
How can I tell if Peanut Butter has gone bad?
To determine if peanut butter has gone bad, look for any signs of mold, dark discoloration, or an off smell. Fresh peanut butter should have a smooth consistency and a nutty aroma. If the texture appears dry, crumbly, or oily on the surface, it may be time to discard it.
What are the food safety risks with Peanut Butter?
Peanut butter is generally considered a low-risk food due to its low water activity, which inhibits bacterial growth. However, contaminated peanuts or improper storage can lead to the growth of molds and bacteria like Salmonella or aflatoxins, especially in homemade or natural peanut butter. To reduce the risk of contamination, always store peanut butter in a cool, dry place and discard it if it shows signs of spoilage like mold, off odors, or unusual texture.
What are some pro tips for storing Peanut Butter?
To extend the shelf life of peanut butter, store it in a cool, dry place away from direct sunlight. Natural peanut butter should be refrigerated after opening to prevent the oils from going rancid. Stirring the oil back into the peanut butter can help maintain consistency. For bulk or large jars of peanut butter, consider dividing it into smaller portions and freezing them for longer storage. Remember to tightly seal the container to prevent moisture and contaminants from entering.
Any interesting facts about Peanut Butter?
Peanut butter has a rich cultural significance in many countries. It is a staple in American households, where it is commonly used in sandwiches, cookies, and desserts. In some Asian cuisines, peanut butter is used in savory dishes like satay sauce. Fun fact: The first patent for peanut butter was issued to Marcellus Gilmore Edson of Montreal, Canada, in 1884.
Expiration Calculator
Sources
For more information on food safety and expiration guidelines, visit our Sources page.
Recipes Available
We have recipes that can help you safely use peanut butter past its expiration date!
View Recipes →Related Foods
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Reviewed By: Food Safety & Expiration Experts
At Can I Eat Expired, we are committed to providing accurate, science-backed information about food expiration and storage safety. Our content is carefully reviewed based on guidelines from leading food safety organizations, including:
- ✅U.S. Food & Drug Administration (FDA) – Food Safety Guidelines
- ✅United States Department of Agriculture (USDA) – Food Storage & Expiration Dates
- ✅World Health Organization (WHO) – Foodborne Diseases & Safety
- ✅Centers for Disease Control & Prevention (CDC) – Preventing Foodborne Illness
🔍 How We Ensure Accuracy
- We use official food safety sources to guide our recommendations.
- Our team continuously reviews and updates content based on the latest research.
- We encourage users to always check for signs of spoilage and follow proper storage guidelines.
📚 Have Questions?
If you have specific concerns about food expiration or safety, we recommend consulting a registered dietitian, food scientist, or your local health department.
Note: These are general guidelines. Always use your best judgment and when in doubt, throw it out.