
Mushrooms are a versatile ingredient used in a variety of dishes, from pasta to burgers. However, they can quickly deteriorate if not stored properly. The key to keeping mushrooms fresh is maintaining the right balance of humidity and air circulation to prevent the growth of slime. So, should you cover mushrooms? The answer is yes, but with a loose covering that allows for air circulation, such as a paper bag or perforated plastic container.
| Characteristics | Values |
|---|---|
| Storage | Paper bag, plastic wrap with holes, glass bowl with paper towels, freezer-safe bag or container, airtight container |
| Temperature | Consistently cold |
| Humidity | Balanced |
| Air Circulation | Proper ventilation |
| Washing | Wash right before use |
| Preservation | Canning, freezing, drying, pickling |
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What You'll Learn

Paper bags are recommended to store mushrooms
Storing mushrooms can be tricky because of their high water content. They are prone to becoming slimy and mouldy. To keep mushrooms fresh for as long as possible, it is recommended to store them in a paper bag. Paper bags are breathable and absorbent, which helps to keep mushrooms dry and prevents the growth of mould.
When storing mushrooms, it is important to avoid airtight containers, as these can trap moisture and cause the mushrooms to become slimy. Plastic containers or plastic wrap should be avoided for this reason, unless holes are poked in the plastic to allow the mushrooms to breathe.
Paper bags are an ideal storage solution for mushrooms as they are absorbent. As mushrooms age, they release water, and the paper bag will absorb this moisture, keeping the mushrooms' surface dry and slime-free. This is especially important if you are storing loose mushrooms, which are more likely to be exposed to moisture and air than pre-packaged mushrooms.
To store mushrooms in a paper bag, place whole, unwashed mushrooms in a brown paper bag and fold the top over. Then, place the bag in the main compartment of your refrigerator. It is important to avoid storing mushrooms in the crisper drawer, as this is a moist environment that can cause the mushrooms to deteriorate.
If you have a large quantity of mushrooms, you may want to consider freezing or drying them to preserve them for longer. However, freezing mushrooms can compromise their texture, so it is best to use thawed frozen mushrooms for flavouring stocks or chopping into burgers rather than frying. Dried mushrooms can be easily rehydrated and added to soups or other dishes.
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Plastic wrap with holes can be used to cover mushrooms
Storing mushrooms can be tricky because of their high water content. The general consensus is that moisture is the number-one enemy when it comes to keeping mushrooms fresh. Therefore, it is recommended to store mushrooms in the fridge to keep them fresh for up to a week.
If you want to store mushrooms for a day or so, you can keep them on the counter. If you buy mushrooms pre-packaged, you can simply put them in the fridge. The package’s perforation will let in air to dry out any moisture the mushrooms release.
If you buy loose mushrooms, the best way to keep them fresh for as long as possible is to put them in a paper bag. The paper bag will absorb the moisture released by the mushrooms as they age, keeping their surface slime-free.
However, if you want to store loose mushrooms in an airtight container or bowl, you can use plastic wrap with holes. Covering mushrooms with plastic wrap and poking a few holes in it can help maintain humidity and keep the mushrooms fresh for longer. This method is especially useful if you want to store mushrooms in the fridge for several days or up to a week.
It is important to note that some sources suggest that plastic wrap is not ideal for storing mushrooms, as it can trap moisture and cause slime. Therefore, it is recommended to check the mushrooms regularly and transfer them to a paper bag if needed.
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Mushrooms should be stored in the fridge
Mushrooms are a fungus, a type of life entirely separate from plants, with no roots, leaves, flowers, or seeds. They have a high water content and are best stored in the fridge.
When storing mushrooms, it is important to remember that moisture is the number-one enemy. If mushrooms are stored in an environment that is too moist, they will become moldy and slimy. Therefore, it is best to avoid storing mushrooms in the crisper drawer, as this is often set to a high-humidity setting, which is not ideal for mushrooms.
Instead, place the mushrooms in a paper bag, which will absorb any excess moisture, and then put them in the main compartment of the refrigerator. This will keep the mushrooms fresh for up to a week. If you do not have a paper bag, you can also place the mushrooms in a bowl or container lined with paper towels, which will also absorb moisture. Cover the mushrooms with another paper towel and check their freshness daily.
If you are not planning to use the mushrooms within a week, it is best to freeze or dry them. Frozen mushrooms will likely have a compromised texture, so they are best used to flavor stocks or in veggie burgers rather than fried. To freeze mushrooms, cook them first to preserve their quality, and then place them in a freezer-safe bag or container.
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Freezing mushrooms is an option
Mushrooms have a high water content, so they should be stored in a cool, dry place to keep them fresh for as long as possible. While storing mushrooms in the fridge can help them last for up to a week, they should not be stored in the crisper drawer, as this environment is too moist. Instead, place them on a shelf in the main compartment of the refrigerator. If you buy mushrooms pre-packaged, the perforations in the packaging will allow air to circulate and dry out any moisture released by the mushrooms, so simply put them in the fridge.
If you buy loose mushrooms, storing them in a paper bag is the best way to keep them fresh. The paper bag will absorb any excess moisture, keeping the mushrooms' surfaces slime-free. If you don't have a paper bag, you can place the mushrooms in a container and cover them loosely with plastic wrap, ensuring you poke holes in the plastic to allow for air circulation.
If you have a large number of mushrooms and won't be able to use them all before they go bad, freezing mushrooms is an option. Freezing mushrooms will likely affect their texture, so they are best used to flavour stocks or chopped into veggie burgers rather than fried. To freeze mushrooms, they should first be cooked to stop enzyme action and preserve their quality. Then, place them in a freezer-safe bag or container and store them in the freezer.
Drying mushrooms is another option for long-term storage. Dried mushrooms can be rehydrated as needed and take up very little space. To dry mushrooms, use a low-temperature oven or a food dehydrator, then store them in an airtight container.
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Drying mushrooms is another preservation method
To dry mushrooms, you can use a low-temperature oven or a food dehydrator. First, trim the stems and any discolored parts of the mushrooms. Then, soak them in cold water for 10 minutes to remove any dirt. After washing them in clean water, small mushrooms can be left whole, while larger ones should be halved or quartered. Next, put the mushrooms in a saucepan and cover them with water. Bring the water to a boil and simmer for 5 minutes. Pack the mushrooms into hot jars, leaving 1 inch of headspace. Add 1/2 teaspoon of salt per pint or 1/4 teaspoon per half-pint if desired. You can also add 1/8 teaspoon of crystalline ascorbic acid or a 500-milligram tablet of vitamin C for better color. Finally, add fresh hot water, leaving 1 inch of headspace, and adjust the lids. Process the jars in a pressure canner following the recommended guidelines for your specific canner.
After processing, remove the canner from the heat and let the pressure return to zero. Dried mushrooms can be stored in an airtight container and will take up very little space in your pantry. When you are ready to use them, simply rehydrate them as needed. They can be tossed into homemade soups, added to pasta or pizza, or even sautéed and piled high on burgers.
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Frequently asked questions
Yes, mushrooms should be covered and stored in the fridge to keep them fresh for as long as possible.
Mushrooms should be stored in a paper bag inside the fridge. The paper bag will absorb excess moisture, keeping the mushrooms fresh for longer.
Yes, you can use plastic wrap to cover mushrooms, but it is not the best option. If you do use plastic wrap, make sure to poke some holes in it to allow for air circulation.
Covered mushrooms can be stored in the fridge for up to a week.
Yes, mushrooms can be stored in the freezer. It is best to cook them before freezing to preserve their quality. Frozen mushrooms are best used for flavouring stocks or veggie burgers.

























