How do you know if Butter has gone bad?

Butter has likely gone bad if you notice darkened or discoloured edges; rancid, cheesy, or stale smell; greasy, crumbly surface. When in doubt, throw it out.

How long can Butter sit out before it goes bad?

Butter should not be left out more than 2 hours (1 hour above 90°F / 32°C). Refrigerate promptly.

How Long Does Butter Last?

Q: How long does Butter last in the fridge?

Butter lasts 1–3 months in the refrigerator. Keep butter wrapped and away from strong-smelling foods, since fat readily absorbs odours. Freeze spare sticks in their wrapper inside a freezer bag.

Q: Can you freeze Butter?

Yes, Butter can be frozen for 6–9 months.

Butter keeps 1–3 months in the refrigerator and 6–9 months in the freezer, according to cited USDA/FDA storage references.

2 cited USDA/FDA/FSIS sources
Editorial review · Verified June 2026

1–3 months

Safe range

6–9 months

Safe range

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Based on USDA/FSIS guidance:

Keep eggs and refrigerated dairy at 40°F or below; sell-by dates are quality guides, not safety deadlines when storage has been cold.

The cited storage data lists 1–3 months refrigerated for this food. Source

Salted butter is more shelf-stable than unsalted. Discard butter that smells rancid even if it looks fine.

How to tell if it's gone bad

Look:Darkened or discoloured edges
Smell:Rancid, cheesy, or stale smell
Texture:Greasy, crumbly surface

When in doubt, throw it out. If Butter smells, looks, or feels off — discard it. Food poisoning is not worth the risk.

Can you freeze Butter?

Yes.Butterkeeps 6–9 monthsin the freezer when stored in airtight packaging.

Butter is one of the best dairy foods to freeze. Keep it in its wrapper and slip it inside a freezer bag or airtight box to block out other odours, which fat readily absorbs. Salted butter keeps up to 9 months and unsalted a little less. Thaw it overnight in the fridge; the texture and flavour come back essentially unchanged.

Full freezing guide →

How to store Butter

Keep Butter covered in the refrigerator. Use the refrigerator duration shown above for this food state.
Package Butter tightly for the freezer and label the stored date. Use the freezer duration shown above for this food state.

Storage tips

Keep butter wrapped and away from strong-smelling foods, since fat readily absorbs odours. Freeze spare sticks in their wrapper inside a freezer bag.

Is it still good?

Enter when you bought or opened it and where it's stored.

Common questions

How long can Butter sit out before it goes bad?: Butter should not be left out more than 2 hours (1 hour above 90°F / 32°C). Refrigerate promptly.

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