How Long Does Peanut Butter Last in the Fridge?
Complete storage guide with fridge, freezer, and room temperature times for peanut butter.
Peanut Butter lasts 3-4 months (natural) in the fridge, Not recommended in the freezer, and 2-3 months (opened) at room temperature.
Storage Duration
3-4 months (natural)
Keep at 40°F (4°C) or below
Not recommended
Keep at 0°F (-18°C) or below
2-3 months (opened)
68-72°F (20-22°C)
How to Tell If Peanut Butter Has Gone Bad
Watch for these signs that peanut butter has spoiled and should be discarded:
- Rancid smell
- Off taste
- Hard texture
- Mold
Best Storage Tips for Peanut Butter
Follow these tips to maximize the shelf life of peanut butter:
- Store natural peanut butter in fridge
- Stir oil back in
- Use clean knife each time
Peanut Butter Storage Times at a Glance
| Storage Location | Temperature | Duration | Notes |
|---|---|---|---|
| Refrigerator | 40°F (4°C) | 3-4 months (natural) | Best for daily use |
| Freezer | 0°F (-18°C) | Not recommended | Long-term storage |
| Room Temperature | 68-72°F (20-22°C) | 2-3 months (opened) | Temporary only |
What NOT to Do When Storing Peanut Butter
- xDon't leave peanut butter at room temperature for more than 2 hours - bacteria multiply rapidly between 40-140°F.
- xDon't store near strong-smelling foods - peanut butter can absorb odors easily.
- xDon't ignore the spoilage signs - when in doubt, throw it out.
Food Safety Tips
- 1.Use the "first in, first out" rule - always use older peanut butter before newer purchases.
- 2.Keep your refrigerator at or below 40°F (4°C) - use a thermometer to verify.
- 3.Always wash hands before handling food and use clean utensils to prevent cross-contamination.
Frequently Asked Questions
How long does peanut butter last in the fridge?
Peanut Butter lasts 3-4 months (natural) in the refrigerator when stored properly. Store natural peanut butter in fridge
Can you freeze peanut butter?
Freezing peanut butter is not recommended as it affects quality significantly.
How do you know if peanut butter has gone bad?
Signs that peanut butter has spoiled include: Rancid smell, Off taste, Hard texture, Mold. When in doubt, throw it out.