Can I Eat Expired Peanut Butter Unopened?

Safe up to 90 days after expirationLast updated: 3/30/2025

Safe to eat up to 90 days after expiry

Low Risk

Expert Source

"According to USDA guidelines, unopened jars of peanut butter can be stored in a cool, dry place for up to two years for best quality."

Fresh Peanut Butter Unopened

Fresh Peanut Butter Unopened

⚠️Spoiled Peanut Butter Unopened

Spoiled Peanut Butter Unopened
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Storage Guidelines

Storage Location

Pantry

Ideal Temperature

60-75°F (15-24°C)

Best Storage Method

Store in a cool, dry place away from sunlight

Shelf Life

Average Shelf Life

365 days

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Signs of Spoilage

Unpleasant odor, mold growth, off taste, separation of oil

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Additional Information

Alternative Uses

As a sandwich spread, in smoothies, in baking recipes

Possible Substitutions

Almond butter, sunflower seed butter

Frequently Asked Questions

What's the difference between expiration and best quality dates for Peanut Butter Unopened?

While peanut butter does not have a strict expiration date when unopened, its quality can deteriorate over time. Over time, the oils in peanut butter may separate, causing the product to become rancid or develop an off flavor. While it may still be safe to consume, the taste and texture may not be ideal. It is recommended to consume peanut butter within a reasonable timeframe to enjoy the best quality.

How can I tell if Peanut Butter Unopened has gone bad?

To check if unopened peanut butter has gone bad, look for any signs of mold on the surface, off colors, or an unusual smell. Fresh peanut butter should have a consistent texture and a nutty aroma. If you notice any changes in color, smell, or texture, it's best to discard the peanut butter to avoid any risks.

What are the food safety risks with Peanut Butter Unopened?

Peanut butter, when unopened, typically has a very low risk of causing foodborne illnesses due to its low water activity. However, it can still be contaminated with pathogens such as Salmonella or aflatoxins if stored improperly. To prevent contamination, always use clean utensils when scooping peanut butter and store it in a cool, dry place away from direct sunlight. Avoid consuming peanut butter if you notice any signs of spoilage, such as mold growth or off odors.

What are some pro tips for storing Peanut Butter Unopened?

To maintain the freshness of unopened peanut butter, store it in a cool, dry place, such as a pantry or cupboard. Avoid exposing it to heat or direct sunlight, as this can cause the oils to separate. For extended storage, consider refrigerating unopened peanut butter to prolong its shelf life. When using peanut butter, always use clean utensils to prevent cross-contamination and seal the jar tightly after each use to preserve its flavor and texture.

Any interesting facts about Peanut Butter Unopened?

Peanut butter has a rich history and cultural significance worldwide. It is believed that the ancient Aztecs and Incas were the first to grind roasted peanuts into a paste. In the United States, peanut butter became popular in the early 20th century and is now a staple in many households. Peanut butter is also a versatile ingredient used in various cuisines and recipes, from savory dishes to sweet treats.

Expiration Calculator

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Sources

For more information on food safety and expiration guidelines, visit our Sources page.

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Recipes Available

We have recipes that can help you safely use peanut butter unopened past its expiration date!

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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:

🔍 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.