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How long does Parmesan cheese last in the fridge?

Parmesan cheese has a relatively long shelf life, especially if stored properly. When stored in the refrigerator under the right conditions, Parmesan can last for several weeks to months. Here are some general guidelines:

  • Unopened Parmesan:
    • If the Parmesan cheese is unopened and still in its original packaging it can last for several months beyond the expiration date, as long as it has been stored properly.
  • Opened Parmesan:
    • Once you open a package of Parmesan, its shelf life depends on factors such as how well it is sealed and stored.
    • If you've grated or shredded the Parmesan, it may have a shorter shelf life compared to a block or wheel of Parmesan.
    • To extend the shelf life, keep the opened Parmesan in an airtight container or resealable bag in the refrigerator.
  • Proper Storage:
    • Store Parmesan cheese in the refrigerator at temperatures below 40°F (4°C).
    • Ensure the cheese is well-sealed to prevent it from drying out or absorbing odours from the refrigerator.
    • For grated or shredded Parmesan, consider using a vacuum-sealed bag or a container with a tight lid.
  • Check for Signs of Spoilage:
    • Pay attention to any signs of spoilage, such as mould growth, off odours, or changes in texture.
    • If you notice mould on the surface of hard cheeses like Parmesan, it's generally safe to cut off the affected portion, and the rest of the cheese should still be usable.

While these guidelines provide a general idea, it's essential to use your judgment and consider the specific storage conditions. If there are any noticeable changes in colour, texture, or smell, it's advisable to inspect the cheese closely and determine if it is still suitable for consumption.

Always follow any specific storage instructions provided on the packaging.

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