Does Parmesan Cheese Go Bad? What You Need to Know

Cheese is a soft, buttery, and delicious food that makes eating bread, burgers, and biscuits even more desirable. If you have ever wondered if parmesan cheese goes bad or what kinds of cheese are out there, then you’ll want to read the rest of this column.

Cheese is made from milk, salt, rennet, and an enzyme that is concentrated to form a mold that could come in different shapes.

What Is Parmesan Cheese?

Italian-originated, parmesan cheese is hard and known all around Europe and a vast number of countries of the world.

Outside of Europe, many generic kinds of cheese use the name Parmesan for cheeses made in a certain way in a certain area of Italy.

Does Parmesan Cheese Go Bad?

Yes, parmesan cheese goes bad. Although, it will not go bad unopened and should last for 7 to 9 months as it is a long-lasting cheese.

This means it could only have a long shelf life if stored without being opened. To be sure it is alright to stay that long, also check for the expiring date.

SEE: Is Parmesan Cheese Gluten-Free?

At What Temperature Does Parmesan Cheese Go Bad?

Anything that exceeds or is lower than the 39 to 46oF refrigerator temperature in which a parmesan cheese can be stored, would go bad.

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How to Tell Parmesan Cheese Is Bad

You will most definitely know when your cheese is bad by its smell. This cannot be hidden. It is the most evident and potent way to tell if the cheese has gone bad. Another way to tell is by its color and mold.


A regular cheese color is yellow and creamy. If you are very observant, you’ll notice a difference in your cheese color and detect that it has gone sour or bad.

A fresh cheese always remains in color and is very glossy to the eye. When you see colors such as dark yellow, green, blue, or anything rather than its natural color, then your cheese is bad.


There are two ways to tell if Parmesan cheese is moldy. If it has an odor, spongy, or a rind then it is moldy and bad.

If the rind is brown, it is wrong and if it is yellow, it is probably not moldy. But it could be harmful.

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What Happens if You Eat Bad Parmesan Cheese?

There is no concrete or medical knowledge on what could happen if you eat bad parmesan cheese. However, two things could occur. One is you get a stomach upset, vomiting, and diarrhea.

And the second is nothing at all. You may just be lucky, and you wouldn’t experience any health complications issues that could lead you to the hospital.

Consequently, you would be advised not to eat any parmesan cheese that is bad altogether.

How Long Does Parmesan Cheese Last in the Freezer?

Your parmesan cheese can stay up to nine months if kept whole and unopen in the freezer. All you need to do is have the cheese saved in an airtight container to prevent it from getting exposed.

SEE: Here’s An Easy Guide to Help You Freeze Cream Cheese Frosting

Does Parmesan Cheese Go Bad in the Freezer?

No, it doesn’t. This, however, lies in how you store it. Well-kept, it will not change quickly if maintained properly in the freezer.

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Can You Freeze Parmesan Cheese?

Yes, you can freeze a parmesan cheese. This is one of the best ways to preserve your cheese from going bad. This gives it longevity and allows you to eat it fresh whenever you want.

How to Preserve Your Parmesan Cheese

To prevent your cheese from going bad you need to be meticulous with the preservation techniques.

  • Enclose your cheese in the wrapper to prevent it from spoiling. Make sure the wrapper is wide enough, and the cheese breathes and does not get worse. If you have grated parmesan cheese, ensure to keep then in an airtight container in replacement of the wrapper.
  • Put the parmesan cheese in the refrigerator covered with plastic wrap or aluminum foil. You can also keep it in the crisper drawer. If the cheese comes in a sealed package, it will stay fresh for up to nine months.
  • Another way to store is to freeze the cheese altogether by putting it in an airtight vessel or bag. You can either use shredded frozen cheese straight from the freezer or place a wedge on a countertop for ten minutes at room temperature to defrost before using.

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Does kraft-grated parmesan cheese go bad?

Yes, it does. If not preserved with thorough care, the grated cheese would go bad. It begins to smell, have an off-putting odor, and a change in taste and appearance.

These are the signs that your cheese is bad and shouldn’t be touched or eaten any longer.

What are the other types of cheese you can buy?

There are different types of cheese pegged with different brands in the USA that you can try such as the American, Blue Cheese, Brie, Cheddar, Cheese Curds, Colby-Jack Cheese, Feta, Gorgonzola, amongst others.

You should check any grocery store near you or go online to shop for more options of cheese you can buy.

How long does parmesan cheese last unrefrigerated?

There is no certain time stipulated for when your cheese could go bad if not refrigerated, but you must know that cheese generally does not have so much shelf life if not kept properly.

Therefore, you could witness your cheese go bad within 2-3 days if it is not properly refrigerated.

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How many types of cheese are there?

It has been said that there are more than 1,800 different types of cheese in the world. These cheeses are made from different animals, therefore making them unique to each environment, culture, and tradition of their inhabitants.

Does hard parmesan cheese go bad?

Hard parmesan cheeses do not go bad when they have been packed well and are unopened. They could even last for close to 2-4 months depending on when they are out of production requirements.

However, when it is opened you can only have it for about six weeks before it starts to go bad.


The truth is you can never outgrow eating cheese no matter the age. It is that universal food that everyone loves and craves.

Although, it could be a bit of a problem for those allergic to dairy as they may find it hard to partake of this delicious offering called cheese.

Nevertheless, some manufacturers have begun to cater to these few because of their health issues, thereby making cheese still available for all.

Thank you for reading.

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