Freezing and Storing Portobello Mushrooms: What You Need to Know

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Written By Gabriela
Gabriela is a science journalist and writer. She has a PhD in biochemistry and a master's degree in science communication. Gabriela has published articles in magazines and newspapers in Mexico and USA, and has also given talks on science subjects.






If you love portobello mushrooms, you know how expensive they can be. So it’s a great idea to buy in bulk when you can. But to make sure you don’t waste your money, you’ll need to know the best way to store and freeze your mushrooms. So if you’re wondering can you freeze portobello mushrooms, the answer is yes. But there are some factors to consider before you do.

In this article, we’ll cover all the tips and tricks you need to know when it comes to freezing and storing portobello mushrooms. We’ll tell you the best way to store and freeze portobello mushrooms, and how long they last in the fridge. So check out the tips below and keep your portobello mushrooms fresh and flavorful!

Can you freeze portobello mushrooms?

Yes, you can freeze Portobello mushrooms. There are a couple of different ways to go about it, depending on what your exact needs are. Here are some tips when it comes to freezing the popular fungi:

  • Freeze them as fresh mushrooms – If you’re looking to preserve the vivid color, fresh texture, and full flavor of the mushroom, freezing them fresh is the way to go. You can do this by slicing the cap into thin discs, then blanching them in boiling water for a few minutes before transferring into an ice-cold bath. From there, dry them with a paper towel before layering them onto a baking sheet and freezing in the freezer for 1-2 hours.
  • Cook them before freezing – Alternatively, you can also sauté or bake the mushrooms first before freezing. This will result in a softer, more cooked texture when thawed and reheated in the future. To do this correctly, slice your mushrooms into desired sizes before pan-frying them in butter or oil for about 3 minutes over medium heat. Once cooked and cooled, transfer them into freezer bags or containers and store.

Note: Frozen fresh Portobello mushrooms may experience some changes in texture after being frozen, meaning they may feel mushy when thawed.

Ultimately, what you decide to do will depend on how you plan on using your frozen Portobello mushrooms later down the road. Whether you eat them as is or incorporate them into a dish (like a soup or stir fry), simply make sure that they are properly thawed and cooked some more so that your meal is safe to eat!

The Right Way to Store Portobello Mushrooms

Mushrooms last longer when stored whole rather than sliced. That is why when it comes to portobellos, the key is to keep them as a whole for optimal storage. Once thoroughly washed and dried, these mushrooms can be placed in a plastic bag with an open end.

The opening at the top of the bag allows for adequate air circulation which helps support their longevity inside the fridge. When stored this way, portobellos should last up to several days.

Besides storage in a bag, here are some other options to keep your portobellos fresh:

  • Wrap in paper towels: You can put each mushroom in between two paper towels and store them in an air-tight container or zip-lock bag. This will help absorb any moisture they may have.
  • Keep in a cool, dry place: If you have some extra room in a cool and dry area of your kitchen, you can keep them there as well. Make sure to check their condition every couple of days.
  • Replace paper towels regularly: If you choose to use the paper towel method described above, don’t forget to replace them with fresh ones occasionally. Remember that mushrooms are more likely to spoil if the paper towels become wet.

Overall, keeping your portobello mushrooms nice and fresh is possible! Just remember to rinse them thoroughly and store them properly.

Make Sure You Freeze Mushrooms the Proper Way

Freezing mushrooms is one of the best ways to preserve their nutritional and culinary value until you’re ready to use them. If done correctly, freezing mushrooms can keep them tasty and juicy for a few months. Here are the steps you need to follow to make sure your mushrooms are frozen properly:

  • Prepare: Scrub and brush the mushrooms to remove dirt, but don’t wash them – they will become soggy.
  • Cutting: If the mushroom is small enough, you can leave it whole. Otherwise, slice it.
  • Tray: Place the mushrooms on a tray and freeze until solid. Make sure not to overcrowd the tray.
  • Transfer: Once the mushrooms have frozen solid, transfer them into a labelled resealable freezer bag, expelling any excess air.

Storage: Be sure to use your frozen mushrooms within two months for optimal flavour and nutrition. After that, the quality of your mushrooms will gradually decline.

Tip: When defrosting your frozen mushrooms, make sure not to rush it. Defrost slowly in the fridge overnight and never submerge them in water – they will become mushy!

By following these simple steps, you can ensure that your frozen mushrooms stay fresh and delicious! You won’t have to worry about wasting money on buying fresh mushrooms that spoil too quickly.

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can you freeze portobello mushrooms

Are Sauteed Mushrooms Better Frozen?

If you’re looking for a way to preserve your mushrooms and make them better suited for certain dishes, you’re in luck! Sautéing your mushrooms before freezing is a great way to produce a firmer product that won’t get mushy or limp. Plus, once frozen, the flavor of these mushrooms will remain superb.

Here are some tips on how to freeze sautéed mushrooms:

  • Allow excess fat from the light sautéing to drain off and cool before transferring them to freezer bags.
  • Label the bag with the date.
  • Lay the bag flat in the freezer and move it around during freezing so that the pieces don’t stick together

Once you have your frozen mushrooms, they can be used in much the same way as steamed mushrooms– quiche, stir fries, pizza and pasta dishes. Best flavor is obtained if they are used within nine months.

The benefits of freezing sautéed mushrooms:

    • Firmer texture that won’t turn mushy or limp when cooked.
    • Flavor remains intense even after being frozen.
    • Can be added right from the freezer into soups and stews without thawing.
    • Convenient—can be thrown into any dish without having to sautée them first.

By opting to freeze your sautéed mushrooms, you’ll ensure that anytime you need a flavorful mushroom addition to any dish, you’ll have them right at your fingertips!

What Happens After Freezing Mushrooms?

The answer is yes! Mushrooms make a great addition to your kitchen’s freezer. They can stay fresh for up to 12 months, making them a convenient way to save your favorite fungi for later use. Not only are they easy to store, but you can also keep them in different forms as well.

You can freeze raw mushrooms or cook them beforehand. Both options are great ways to keep your mushrooms fresh and nutritiously delicious. To add raw mushrooms to your meals, allow them to thaw in the refrigerator until softened. Then, you’ll be ready to enjoy the unique tastes of these flavorful fungi.

Cooking with frozen mushrooms is another great way to get creative in the kitchen. Pre-cooked mushrooms will retain most of their flavors and textures when frozen, so you can add them directly into dishes that you plan on thoroughly cooking. Just make sure they’re completely thawed before adding them into your favorite recipes.

Mushrooms make an excellent addition to any cuisine— whether it be stuffed with cheese and herbs, blended into sauce, or added to a soup— all while providing an incredible source of nutrients along with dietary fibers, vitamins B and C, and minerals such as selenium and potassium.

  • Pre-cooked mushrooms: Thaw completely before adding directly into dishes.
  • Raw mushrooms: Allow thawing in the refrigerator until softened, then add into recipes.

Frozen mushrooms are a fantastic way of utilizing your freezer space in a way that delivers quality nutrition with convenience. They are a great ingredient for adding extra flavor to your classic recipes and trying new ones!

How Long Can Whole Portobello Mushrooms Last in the Fridge?

Portobello mushrooms are a tasty, vegan-friendly dish that can be used in many types of dishes. When stored correctly, it is possible to extend the life of your mushrooms and make them last up to 10 days. Here are the steps you need to follow in order to properly store portobello mushrooms in your fridge!

  • Step 1: Put the whole portobello mushrooms into a paper bag. Make sure the bag is well ventilated and if you need, you can poke some holes in the bag.
  • Step 2: Place the paper bag of portobello mushrooms inside your fridge. It’s best to store them at a temperature between 33 and 40 degrees Fahrenheit.
  • Step 3: Check the bag regularly for any signs of spoilage, such as discoloration or an off-smell. Discard any mushrooms that show these signs.
  • Step 4: If you’re not going to use them within 10 days, you can also freeze them. To do this, first wrap each mushroom in plastic wrap and then place them in an airtight container or freezer bag.

Tips and Notes:

  • Make sure not to overcrowd the bag with the mushrooms, as this will reduce their lifespan.
  • Clean the mushrooms before storing them if needed.