
Dried mushrooms are a versatile ingredient that can add flavour to soups, pasta, stir-fries, omelettes, and more. They are also packed with nutritional value. Properly storing dried mushrooms can extend their shelf life, allowing you to enjoy their flavour and nutritional benefits for longer. This involves using airtight containers, such as glass canning jars with tight-fitting lids or resealable plastic bags, and storing them in a cool, dry place away from direct light and heat. Additionally, using oxygen-absorbing packets can help to prolong their lifespan, especially in humid environments. With proper storage, dried mushrooms can maintain their quality and be enjoyed for many months.
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What You'll Learn

Use airtight containers
Dried mushrooms are a great alternative to fresh mushrooms as they have a longer shelf life and are packed with nutritional value. To preserve dried mushrooms, it is essential to use airtight containers.
A variety of airtight containers can be used, including glass canning jars and resealable plastic bags. Glass jars should have tight-fitting screw-on lids to restrict airflow, while plastic bags should be thick enough to withstand extremely low temperatures and should be sealed completely to remove excess air.
When transferring dried mushrooms to containers, it is important to ensure that they are completely dry and have cooled to room temperature. Label the containers with the date and store them in a cool, dry, and dark place, such as the fridge or freezer, to extend their shelf life.
If you live in a humid climate, consider using oxygen-absorbing packets in your containers to minimise humidity and prolong the lifespan of the dried mushrooms. These packets contain iron powder that absorbs oxygen and creates a favourable environment for food preservation.
By following these steps and using airtight containers, you can effectively preserve dried mushrooms, maintaining their quality, nutritional value, and flavour.
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Choose glass or plastic
When it comes to choosing containers for storing dried mushrooms, you have a few options: glass or plastic. Glass containers, such as canning jars with tight-fitting or screw-on lids, are an excellent choice for keeping dried mushrooms fresh. They create an airtight seal, preventing moisture and air from spoiling the mushrooms. Glass jars are also ideal for freezer storage as they can withstand temperature changes without warping or leaching chemicals.
On the other hand, plastic containers, specifically resealable plastic bags, are a popular choice for storing dried mushrooms. They are lightweight, flexible, and can be easily sealed to remove excess air. When choosing plastic bags, opt for thicker bags designed for extremely low temperatures to avoid cracking or breaking in the freezer. Plastic containers are also a good option if you plan to store dried mushrooms in the freezer, as they won't shatter like glass if dropped.
While glass provides a more rigid and transparent storage option, plastic bags offer convenience and flexibility, especially when it comes to portion control and storage. If you opt for plastic bags, squeeze as much air out as possible before sealing to create an oxygen-deprived environment that inhibits bacterial growth. Additionally, consider using oxygen-absorbing packets inside your containers, especially if you live in a humid climate, to further prolong the shelf life of your dried mushrooms.
Ultimately, the choice between glass and plastic depends on your personal preference, storage space, and how you intend to use and store your dried mushrooms. Both options can effectively preserve dried mushrooms when combined with proper storage techniques, such as labelling, storing in a cool, dry place, and protecting from light exposure.
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Avoid heat and light
When preserving dried mushrooms, it is important to avoid heat and light. Mushrooms that are dried can last for several years, but their potency may gradually decrease over time. To ensure the highest potency, it is recommended to consume them within one to two years.
Dried mushrooms should be stored in a cool, dry, and dark place. Exposure to heat, light, and air can cause the mushrooms to degrade and lose their potency. The ideal storage temperature for dried mushrooms is between 135 and 150 degrees Fahrenheit. If using an oven to dry mushrooms, it is important to keep the temperature low and constant and to leave the oven door slightly ajar to prevent overheating and allow moisture to escape.
When drying mushrooms, it is best to avoid direct sunlight as much as possible. Sunlight can cause the mushrooms to degrade and lose their potency. Instead, dry them in a dark, well-ventilated area, such as a basement or a room with the lights off. You can also dry them outside in the shade, or at night when the sun is not directly overhead.
To store dried mushrooms, place them in an airtight container, such as a glass jar or vacuum-sealed plastic bag. This will help to keep them dry and protect them from exposure to light and heat. It is also important to store dried mushrooms away from direct light and heat sources, such as stoves, ovens, or other appliances that generate heat.
By avoiding heat and light, you can help to preserve the quality and potency of your dried mushrooms, ensuring that they last for a long time and maintain their flavour and nutritional value.
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Use oxygen-absorbing packets
Oxygen-absorbing packets are small, food-safe packets designed to eliminate oxygen content inside airtight containers. They are made of a chemical compound, the major active ingredient being powdered iron, which absorbs most of the oxygen out of the packaging. This helps to prevent oxidation, which can degrade the mushrooms' flavour and nutritional content over time. Oxygen absorbers reliably reduce oxygen levels in sealed containers to 0.01% or less, preventing the growth of aerobic pathogens and spoilage organisms, including moulds.
Oxygen-absorbing packets are not necessary to store mushrooms, but they can be useful, especially if you are storing them at room temperature in a kitchen cabinet. They are particularly useful in humid climates, as they can help to prevent spoilage due to moisture.
To use oxygen-absorbing packets, place a single packet in a quart jar along with your freshly dried mushrooms. This will ensure freshness for much longer than without the use of absorbers.
It is important to note that some sources suggest that it can be dangerous to store dried mushrooms with oxygen-absorbing packets, as botulism bacteria can form. However, others dispute this, stating that if the mushrooms are completely dry, there should be zero moisture content for botulism to develop.
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Label and date
Labelling and dating your dried mushrooms is a crucial step in the preservation process. It is easy to lose track of time when it comes to food keeping, and a label with the date marked clearly will help you determine how long you have kept your dried mushrooms.
The label should include the type of mushroom and the date of drying. You can use a piece of paper or a sticker, and place it on the lid of your container or the outside of the bag. If you are storing your mushrooms in a glass jar, it is a good idea to stick the label on the outside of the jar as well as on the lid, so that you can easily see the information without having to open the jar.
If you are using a plastic bag, you can write the information directly on the bag with a permanent marker, or use a sticker that is large enough to be easily read. It is important to ensure that the label is secure and will not fall off or become illegible over time.
By clearly labelling and dating your dried mushrooms, you can easily keep track of how long they have been stored and make sure to use them within the recommended timeframe for optimal freshness and flavour.
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Frequently asked questions
The best way to store dried mushrooms is in an airtight container, such as a plastic resealable bag or a glass canning jar with a lid. Squeeze out any excess air from the bag before sealing it. If you are using a jar, make sure it has a tight-fitting lid. Label the container with the date.
Dried mushrooms have a long shelf life, lasting up to 12 months when stored in the refrigerator or freezer. However, for the freshest experience, it is recommended to use them within one month.
Yes, dried mushrooms can be stored at room temperature in a cool, dark, and dry place, such as the back of a cabinet. However, they will have a longer shelf life when stored in the refrigerator or freezer. If storing at room temperature, consider using oxygen-absorbing packets to prolong their lifespan.

























