How long does Parmesan (block) last in the fridge?

Parmesan (block) lasts 6–9 months in the refrigerator. Wrap parmesan in wax paper then foil; harder cheeses last longer than soft ones.

How do you know if Parmesan (block) has gone bad?

Parmesan (block) has likely gone bad if you notice mould beyond surface scrape; rancid or ammoniated smell; hard, dry cracks beyond normal. When in doubt, throw it out.

How long can Parmesan (block) sit out before it goes bad?

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

How Long Does Parmesan (Block) Last?

Q: Can you freeze Parmesan (block)?

Yes, Parmesan (block) can be frozen for 1 year.

Parmesan (Block) keeps 6–9 months in the refrigerator and 1 year in the freezer, according to cited USDA/FDA storage references.

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

6–9 months

Safe range

1 year

Safe range

Only storage locations with source-backed entries are shown; a missing freezer or pantry card means FoodLasts does not have a supported value.
No after-opening tab appears unless the source data has a separate opened value.

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 6–9 months refrigerated for this food. Source

White or blue surface mould on hard cheese can be cut away — discard if mould is deep or smell is off.

How to tell if it's gone bad

Look:Mould beyond surface scrape
Smell:Rancid or ammoniated smell
Texture:Hard, dry cracks beyond normal

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

Can you freeze Parmesan (Block)?

Yes.Parmesan (Block)keeps 1 yearin the freezer when stored in airtight packaging.

How to store Parmesan (Block)

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

Storage tips

Wrap parmesan in wax paper then foil; harder cheeses last longer than soft ones.

Is it still good?

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

Common questions

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

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