Does Parmesan Cheese Expire or Go Bad?

Does Parmesan Cheese Expire or Go Bad

Does Parmesan Cheese Expire or Go Bad? Parmesan is a tasty cheese with several applications. You want to be sure it’s safe to consume before adding it to your pasta, mashing it into your potatoes, or dusting it over your pizza.

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Is parmesan cheese perishable? Parmesan cheese does go bad after a while, but it takes a long time. Unopened parmesan may keep for up to a year and remain quite fresh. Opened parmesan will usually last around 3 months before losing its freshness, but it will still be safe to consume for much longer.

Does Parmesan Cheese Expire or Go Bad
Does Parmesan Cheese Expire or Go Bad

The rest of this post will teach you all you need to know about parmesan cheese and how to determine whether it’s gone bad, so you can simply enjoy your parmesan without worrying about quality.

How Should Parmesan Be Stored to Keep It Fresh?

Parmesan cheese should be stored in the refrigerator for the finest effects. Whether it’s grated or a block of parmesan, keeping it in the fridge keeps it fresh and extends its shelf life. If the cheese is in its original packaging, store it in an airtight container or wrap it in aluminum foil or parchment paper.

It is feasible to keep your block of parmesan at room temperature, but it will only last around 2-4 weeks. If you store it in the fridge, the parmesan will last for approximately a year. This is due to the coolness of the fridge slowing microbial development, which is why storing parmesan in the fridge is so advantageous.

Grated parmesan differs from block parmesan in that it has been processed and does not go bad as quickly. Unopened grated parmesan may be stored at room temperature for about a year without going bad.

Does Parmesan Cheese Expire or Go Bad

However, storing parmesan in the refrigerator is still your best choice if you want it to retain a lovely fresh quality and last as long as possible (or if it’s been opened).

If you don’t have a fridge to put the cheese in or don’t like the notion of storing it in the fridge, just keep it in a cold, dry spot. Whether the parmesan is a block or grated, it’s crucial to keep it properly wrapped at room temperature so that germs can’t get in and thrive.

How Can You Tell If Your Parmesan Has Gone Bad?

It’s critical to seek for indicators that can help you determine if your parmesan is excellent or not, and happily, this is rather simple.

  • Looking for mold or discoloration, smelling the cheese, and feeling the texture are the simplest ways to determine whether your parmesan has gone bad. If the cheese is discolored, moldy, or doesn’t feel right, it’s probably gone bad.
  • If mold appears on your block of parmesan cheese and that is the only evidence that it is going bad, simply chop off the moldy area and consume the remainder of the cheese. Because no other portions were affected with mold, they should be safe to consume. If there is mold on your grated parmesan, it should be discarded.
  • Parmesan is often white or light beige in color, with a darker “rind” on the exterior if you have a block. If any additional sections of your cheese go black or yellow, it is a warning that the cheese is becoming bad and it is best to discard it.
  • If your cheese smells different, it’s another indicator that it’s gone bad. If your parmesan smells bad and foul, it’s probably expired.
  • Finally, when grated parmesan becomes bad, its texture typically changes. If your grated parmesan seems damp or spongy, throw it out.

Will Using Old Parmesan Make You Sick?

In most circumstances, poor parmesan will not make you sick. It’ll probably taste bad and you won’t want to eat it anymore, and that’ll be the end of it. Though it is possible to become ill with parmesan, especially if you consume moldy patches, it is quite unusual.

If you eat rotten parmesan by mistake, it will not necessarily get you sick. There are many different varieties of mold, and some of them contain a lot of germs. If you consume moldy parmesan cheese, you may have a mild upset stomach or food poisoning.

Having saying that, it’s very easy to recognize when something is wrong with your parmesan. If you find mold, simply clip it off or throw out the cheese to avoid becoming ill. Again, it is quite unusual for anyone to become ill from expired parmesan, and if you take the proper measures, you should be alright.

Can You Eat Parmesan Pasta After It’s Expired?

The expiration date is only a guideline when it comes to parmesan. You may consume your parmesan after the expiration date as long as it isn’t showing indications of deterioration. In certain cases, parmesan can last up to a year after this date and still be perfectly edible.

Your parmesan may lose its flavor and freshness with time, but it will still be edible for a long. Simply look for mold, odors, or discoloration, and if the cheese appears to be in good condition, it’s still edible even if the expiration date has gone.


Overall, parmesan is a rather safe meal to consume, and you shouldn’t be concerned about being ill from it. As long as you store it carefully, ideally in the refrigerator, it will keep for a very long time.

Parmesan is a fantastic cheese that can be used in a variety of ways, and it’s easy to detect when it’s gone bad. Add the parmesan to your cuisine and dive in as long as it looks nice!

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About Cuisine Cravings Team

Hello there! Cuisine Cravings Team is a group of people who are passionate about Kitchen Ideas that developed this website to educate people on the finest kitchen techniques. We publish articles that focus on basic and fundamental cooking ideas for all levels of chefs, from beginners to specialists! Our objective is to remove the guesswork out of meal preparation so you may worry less and enjoy more! Food is an important aspect of our life, and we are excited to share our knowledge with you!

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