Can You Freeze Parmesan?
Written by Jordan Morley · Reviewed against USDA FoodKeeper · Last updated 28 October 2026
Yes, you can freeze parmesan. Best quality within 6 months; it stays safe beyond that at a constant -18°C.
What freezing does to parmesan
Hard cheese is low in water, so it freezes better than soft cheese, but the texture does go crumbly. Frozen then defrosted, it is fine for cooking, grating and sauces, and less good on a cheeseboard. The FoodKeeper window is 6 months. FoodKeeper gives parmesan a best-quality freezer window of 6 months. For comparison, the same database gives soft cheese 6 months, shredded cheese 3–4 months, butter 6–9 months.
You can also check the calorie content of parmesan alongside its safety information.
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Parmesan: the other answers on this site
| Question | Short answer (links to the full page) |
|---|---|
| In pregnancy | Safe |
| While breastfeeding | Safe |
| In the fridge (Parmesan (Opened)) | 6 months unopened, 3–4 weeks once opened |
Common questions
How long can you freeze parmesan?
For best quality, up to 6 months (USDA FoodKeeper). It stays safe beyond that, because bacteria cannot grow at a constant -18°C; the time limit is about taste and texture, not safety. Label the pack with the date so you can use the oldest first.
How should I freeze parmesan?
Cut into portions you will use in one go (smaller blocks defrost more evenly), wrap tightly in cling film or baking paper, then put in a freezer bag. Grated cheese can be frozen loose in a bag.
How do I defrost parmesan?
In the fridge overnight. Use grated cheese straight from frozen.
Can you refreeze parmesan?
Better not to; the texture degrades. Freeze in portions you will use.
Fridge or freezer for parmesan?
The fridge window for parmesan is 6 months (USDA FoodKeeper). If you are not going to finish it inside that window, freeze it while it is still fresh, ideally in the first day or two, since freezing only pauses the clock and anything frozen late goes in with less life left.
Related answers
Primary source: USDA FoodKeeper.
General information only, not medical advice: see the medical disclaimer. Feeling unwell after eating something? Contact NHS 111 or your GP.