How Long Does Butter (Opened) Last?
Butter (Opened): 2–4 weeks in the refrigerator after opening. These are listed storage intervals; check each card for exact evidence and conditions. Freezer intervals describe quality.
- 2 cited USDA/FDA/FSIS sources
- Editorial review · Editorial record: June 2026
This editorial interval has no verified exact source yet. Follow your product label.
- Each card identifies whether its interval has an exact source or is still under review. A missing card means no interval is available for that state.
- Unopened and after-opening entries are separate. Use only the tab that matches your product state.
Once opened, butter picks up fridge odours quickly — keep it covered and use it before it tastes stale.
How to tell if it's gone bad
Normal appearance and smell do not prove food is safe. Disease-causing bacteria may be present without visible spoilage. Never taste food to test its safety; follow time, temperature and recall guidance. FDA — Storage Basics
- Look:Yellow-brown oxidised surface
- Smell:Rancid or sour smell
- Texture:Hard, dry skin on the cut face
When in doubt, throw it out. If Butter (Opened) smells, looks, or feels off — discard it. Food poisoning is not worth the risk.
Storage tips
Keep opened butter in a covered dish or its wrapper and only leave out the small amount you will use within a day or two.
Check your storage dates
Compare the elapsed time with the storage guidance. This cannot certify that food is safe.
Common questions
- How long does opened Butter (opened) last in the fridge?
- Butter (opened) — refrigerator (after opening): 2–4 weeks. Exact evidence is still under review; follow the product label.
Related foods
Related states
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