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Proper Storage of Parmesan Cheese
Regardless of the type of cheese, cheese should always be stored in a dark, cool, and dry place. Additionally, cheese in block form always lasts longer than grated or sliced cheese. So, if you don’t need much Parmesan cheese at once, it’s best to buy Parmesan in block form and grate it as needed.
How long does Parmesan cheese last when stored properly?
How quickly should hard cheese be consumed? If Parmesan cheese is tightly sealed and stored in the refrigerator, you can rely on the following durations:
Grated Parmesan cheese: maximum one week of storage Parmesan cheese in block form: two to four weeks of storage
By storing Parmesan cheese with a few uncooked pasta pieces, you can extend its shelf life by several days. Alternatively, you could also vacuum-seal the opened cheese (shelf life: three to four months) or freeze it (shelf life: about six months).
By the way: If you discover white spots on the Parmesan cheese, it’s usually not a sign of mold. It’s simply salt crystals, and you can consume the hard cheese without concern. If Parmesan cheese smells unpleasant or shows blue, sometimes green, mold, its shelf life has expired, and you should discard the cheese.
