How Long Does Parmesan Cheese Last? Expert Tips for Optimal Storage

Parmesan cheese can last up to 2 to 4 months in the refrigerator once it’s opened. Parmesan cheese is a hard cheese that originated from italy.

It is widely used in various dishes like pasta, pizza, soups, and salads, as well as grated over some dishes to enhance their flavor. However, if you’re not a regular user of parmesan cheese, storing it properly can be a bit of a challenge.

In this article, we’ll discuss how long parmesan cheese lasts, how to store it properly, and how to tell if it has gone bad. Knowing this information will help you make the most of your cheese and avoid wastage.

How Long Does Parmesan Cheese Last? Expert Tips for Optimal Storage


Understanding Parmesan Cheese

What Is Parmesan Cheese?

Parmesan cheese, also known as parmigiano-reggiano, is a hard cow’s milk cheese that originated from the parma and reggio emilia regions in italy. It is a type of aged cheese that is popularly used in many food dishes for its bold and nutty flavor.

Here are some key points about parmesan cheese that are worth noting:

  • Parmesan cheese is commonly grated over pasta dishes, soups, and salads.
  • It is a protected designation of origin (pdo) by the european union, meaning only cheese produced in certain areas of italy can be called parmesan cheese.
  • The minimum aging process for parmesan cheese is 12 months, but it can be aged for as long as 36 months.
  • Parmesan cheese is a versatile ingredient that can be used in a variety of dishes and cuisines.

How Is Parmesan Cheese Made?

Parmesan cheese is created using traditional methods passed down for generations in italy. Here are the key steps in making parmesan cheese:

  • Milk is heated to a specific temperature and mixed with rennet, a natural enzyme that causes coagulation.
  • The curd is formed and cut into small pieces, which are then heated and stirred.
  • The curd is then placed into molds, where it continues to be pressed and drained.
  • After a few days, the cheese is removed from the molds and soaked in a brine solution.
  • The cheese is then aged for an extended period in a controlled environment.

The Nutritional Value Of Parmesan Cheese

Parmesan cheese is an excellent source of several essential nutrients that promote good health. Here are some nutritional facts about parmesan cheese:

  • A one-ounce serving of parmesan cheese contains around 110 calories, 7 grams of saturated fat, and 10 grams of protein.
  • Parmesan cheese is an excellent source of calcium, with a one-ounce serving providing around 30% of the recommended daily intake.
  • It also contains vitamins a and d, as well as phosphorus and zinc.

Why Is Proper Storage Important?

Proper storage is crucial to ensure that parmesan cheese lasts for an extended period without losing its flavor and texture. Here are some essential tips for preserving parmesan cheese:

  • It is best to keep parmesan cheese wrapped in wax paper or parchment paper and then stored in an airtight container.
  • Parmesan cheese needs to be stored at a consistent temperature of around 40 degrees fahrenheit to avoid spoilage.
  • Do not store the cheese in the refrigerator door as the temperature fluctuates too much. Instead, keep it in the coldest part of the fridge, such as the bottom shelf or in the cheese drawer.
  • Parmesan cheese can be frozen, but it tends to crumble when thawed, so it is not the best option for grating.

Properly stored parmesan cheese can last for up to six months in the fridge and up to a year in the freezer. By following these guidelines and storing the cheese correctly, you can enjoy its rich flavor and texture for an extended period.

Factors That Affect The Shelf Life Of Parmesan Cheese

Parmesan cheese is a popular variety of hard cheese that is widely used in a variety of dishes, including pastas, pizzas, salads, and sandwiches. However, understanding the shelf life of parmesan cheese is essential to ensure that your meals stay safe and delicious.

Here’s what you need to know about the factors that affect the shelf life of parmesan cheese.

The Age Of The Cheese

The age of parmesan cheese is an important factor to consider when assessing its shelf life. Generally, the younger the cheese, the shorter its shelf life. As parmesan cheese ages, it dries out and the flavour becomes more intense. However, the age of the cheese does not necessarily indicate how long it will last.

Instead, its age serves as an indicator of its flavour profile.

How It Has Been Processed

The processing of parmesan cheese plays a significant role in determining how long it will last. Factors such as the moisture content, salt levels, and the presence of preservatives can all impact the shelf life of cheese. Parmesan cheese that has been produced with high-quality ingredients and traditional methods may last longer than processed cheese that is made with additives and chemicals.

The Storage Conditions

Proper storage conditions can significantly extend the shelf life of parmesan cheese. It is important to store parmesan cheese in a cool, dry place to prevent it from becoming spoiled or mouldy. A temperature between 4 and 8 degrees celsius is ideal for storing parmesan cheese, as it helps to slow down the aging process and maintain its flavour and texture.

The Packaging Of Parmesan Cheese

The way in which parmesan cheese is packaged can impact its shelf life. When purchasing parmesan cheese, ensure that it is vacuum-sealed or tightly wrapped to preserve its freshness. Once you open the package, reseal it as quickly as possible to prevent air from entering and causing the cheese to spoil.

If you plan to store parmesan cheese for an extended period, consider freezing it for long-term storage.

Understanding the factors that affect the shelf life of parmesan cheese is crucial to ensure that your meals are safe and tasty. By considering the age of the cheese, its processing methods, storage conditions, and packaging, you can extend the life of your parmesan cheese and enjoy it to the fullest.

So, make sure to take the necessary precautions to store your cheese properly and get the most out of this delicious ingredient.

How To Store Parmesan Cheese For Optimal Freshness


Parmesan cheese is a famous italian cheese that is loved worldwide for its unique taste and aroma. But, do you know how long parmesan cheese lasts? If you want to keep your parmesan cheese in good condition and retain its quality, you need to store it correctly.

Here’s everything you need to know about storing parmesan in the fridge:

  • Keep it in the original packaging or wrap it in a cheesecloth or wax paper to let it breathe.
  • Store it in the cooler section of your refrigerator where the temperature is even and not fluctuating.
  • Make sure that it is away from strong-smelling foods like onions and garlic that can affect the quality of the cheese.
  • Check it regularly for any signs of mold or unpleasant smells.


Sometimes, we might end up with more parmesan cheese than we can consume in a short period. In such cases, freezing it is the best option to avoid waste. Here’s how to do it:

  • Cut the cheese into small portions that you can use as per need.
  • Wrap each piece tightly in a plastic wrap or aluminum foil, and place them in an airtight container or freezer bag.
  • Label the container or bag with the date and keep it in the freezer.
  • When you need to use it, let it thaw naturally in the refrigerator.

Wrapping And Packaging

Storing parmesan cheese properly can have a significant impact on how long it lasts. Here are some additional tips that can help:

  • Avoid using plastic bags because the trapped moisture can lead to mold growth. Use a cheesecloth or wax paper instead.
  • Wrap the cheese tightly to prevent exposure to air, which can cause it to dry out and lose its flavor.
  • Use a vacuum sealer to remove all the air from the packaging if you want to store it for an extended period.

That wraps up our article on how to store parmesan cheese for optimal freshness. With the tips we’ve shared above, you should have no problem keeping your parmesan cheese in good condition for a long time.

Signs That Parmesan Cheese Has Gone Bad

Parmesan cheese is a delicious addition to any dish, but it can be challenging to determine if it’s still good to eat. Here are some key signs to look out for to determine whether your parmesan cheese has gone bad:


One of the most apparent signs that your parmesan cheese has gone bad is a foul smell. An unpleasant odor could indicate bacterial growth or mold on the cheese. A cheesy or nutty smell is perfectly normal for parmesan, so trust your nose and if it smells off, it may be time to throw it away.


Texture is another essential factor when it comes to determining whether your parmesan cheese is still good to eat. Check if the cheese is crumbly or dry, as this is often a sign that the cheese is past its prime.

If the cheese is becoming mushy or slimy, it’s a clear sign that the cheese is going bad and should not be consumed.


Visual cues can also give you an idea of whether your parmesan cheese is still fresh. Check the cheese for any mold growth, discoloration, or dark spots around the rind or the surface. If you see any of these signs, it may be time to dispose of that cheese.


If your parmesan cheese passes all the above tests, the final step to confirm whether it’s still edible is to taste it. If the cheese tastes sour or bitter and has lost its nutty, sweet flavor, it may have gone bad.

Trust your taste buds and toss the cheese if it doesn’t taste right.

By keeping an eye out for these signs – smell, texture, appearance, and taste – it’s easy to determine whether your parmesan cheese has gone past its prime and is no longer safe to eat. Remember to store your cheese correctly to help extend its shelf life and avoid spoilage.

Frequently Asked Questions Of How Long Does Parmesan Cheese Last

How Long Does Parmesan Cheese Last In The Fridge?

Parmesan cheese can last up to 9 months in the fridge, but it depends on the type of parmesan cheese you buy. Grated or shredded parmesan cheese has a shorter lifespan than the wedge or block of parmesan cheese.

Is It Safe To Eat Expired Parmesan Cheese?

It’s not recommended to eat expired parmesan cheese because it could harbor harmful bacteria that cause food poisoning. Always check the label for the expiration date before consuming any food.

How Can I Tell If My Parmesan Cheese Has Gone Bad?

If the parmesan cheese has a sour smell or develops any mold, it has gone bad. Also, it may have a slimy or discolored appearance. Always inspect the cheese before consuming it. If you’re unsure, discard it.

How Should I Store My Parmesan Cheese?

To keep the parmesan cheese fresh for longer, store it in an airtight container or wrap it tightly in plastic wrap. Keep it in the fridge at a consistent temperature, away from meats and vegetables to prevent cross-contamination.

Can I Freeze Parmesan Cheese?

Yes, you can freeze parmesan cheese. Grate it and store it in an airtight container or wrap it tightly in plastic wrap before freezing it. When you’re ready to use it, thaw it overnight in the fridge and use it immediately.


Ensuring that your parmesan cheese stays fresh for a long time is all about proper storage and usage. Now that you know the answers to how long parmesan cheese lasts, and how to store it effectively, you won’t have to worry about any unpleasant surprises the next time you go to use it.

Remember to always keep it in an airtight container, in the fridge at all times, and be mindful of any mold growth or odors. By following these simple steps, you can rest assured that your parmesan cheese will stay fresh and tasty for as long as possible.

With a bit of care and attention, you can enjoy this flavorful addition to your recipes with confidence.

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