
Shiitake mushrooms are a staple in Asian cooking, with dried shiitake mushrooms adding a unique umami flavour to stocks, soups, braises, and stir-fries. Drying your own shiitake mushrooms at home is a great way to preserve the freshest shiitake during the mushroom season, and it can be done without any special equipment. All you need to do is brush off any dirt, cut them into 1/4-inch slices, and either leave them in a well-ventilated area for 7-10 days or put them in the oven at a low temperature for 2-3 hours. Once they are dried, they can be stored in an airtight container for up to 2 years and rehydrated whenever you need them.
How to dry shiitake mushrooms
| Characteristics | Values |
|---|---|
| Equipment | No special equipment needed. A dehydrator is not required. |
| Mushrooms | Fresh shiitake mushrooms. |
| Cleaning | Wipe with a damp cloth. Do not wash under running water. |
| Container | Use a container that allows air circulation, such as a mesh colander or a baking rack. |
| Arrangement | Do not overcrowd the mushrooms. |
| Ventilation | Place in a well-ventilated area, preferably with access to sunlight. |
| Air drying time | 7-10 days or until they don't give when squeezed. |
| Air drying conditions | Dry conditions are preferable. |
| Oven | Can be partially dehydrated in the oven before air drying. |
| Oven temperature | Preheat to 170°F with the convection function. |
| Oven preparation | Brush the mushrooms clean and cut into 1/4-inch slices. |
| Oven dehydration time | 2 to 3 hours or until leathery. |
| Storage | Store in an airtight container for up to a year. |
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What You'll Learn

Air drying shiitake mushrooms
Air-drying shiitake mushrooms is a simple process that can be done without any special equipment. Here is a step-by-step guide on how to air dry shiitake mushrooms:
Preparation
Start with fresh shiitake mushrooms that are in good condition. Wipe them clean with a lightly dampened towel. Do not wash the mushrooms under running water. It is important to ensure that the mushrooms are not past their prime, as this method will not work with mushrooms that are no longer fresh.
Air-drying Setup
Place the cleaned mushrooms in a container that allows for air circulation around them. A mesh colander or a baking rack set on a baking sheet works well. Ensure that the mushrooms are not overcrowded in the container. Place the container in a well-ventilated area with a supply of fresh air, preferably in a sunny location.
Air-drying Time
Leave the mushrooms to air dry for about 7 to 10 days. The drying time can vary depending on humidity levels and the size of the mushrooms. It is important to allow sufficient time for the mushrooms to fully dry. You can partially dehydrate them in the oven before air drying to expedite the process.
Storage
Once the mushrooms are completely dry to the touch and do not give when squeezed, they are ready for storage. Place them in a sealed container and store them in a cool, dry place. Properly dried shiitake mushrooms can last for up to 2 years when stored correctly.
Season and Climate Considerations
While air-drying shiitake mushrooms is effective in dry climates, it may not be practical in humid environments. In seasonal climates, the fall, winter, and spring are generally more suitable for air-drying mushrooms. Additionally, partial oven-drying followed by air-drying on a sunny windowsill can be an option if you want to accelerate the process.
Air-drying shiitake mushrooms is a straightforward and accessible method for preserving them. With patience and the right conditions, you can successfully dry shiitake mushrooms for future use in your culinary creations.
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Using a dehydrator
Drying shiitake mushrooms in a dehydrator is a simple process. First, you need to clean the mushrooms. Brush off any dust and dirt, then give them a quick rinse. Try to get all the dirt off with a vegetable or mushroom brush.
Next, slice the mushrooms into pieces that are between 1/4 to 1/2 inch thick. The thicker the slices, the longer they will take to dry, so bear this in mind when slicing. Arrange the cleaned, sliced mushrooms on the dehydrator trays, ensuring that none of the pieces touch or overlap. This allows for the best airflow, and they will dry faster and more evenly. If they overlap, some areas may retain moisture.
Dry the sliced mushrooms at 110 F until they are crispy. This process takes 4 to 6 hours for 1/4-inch slices and up to 8 hours for thicker slices. You can also dry at 125 F for 3-8 hours, until the mushrooms are brittle and break easily. Depending on your machine, you may need to rotate the trays to promote even drying.
Once the mushrooms are completely dry, allow them to cool before storing. Place the cooled mushrooms in airtight glass jars and seal tightly. Label the jars with the contents and date of drying. Store the jars away from direct light or heat. Dried shiitake mushrooms can last for up to two years when properly stored.
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Drying in the oven
Drying shiitake mushrooms in the oven is a great way to preserve them for later use. Here is a step-by-step guide on how to do it:
Firstly, start with fresh shiitake mushrooms and wipe them clean with a damp cloth. Do not wash the mushrooms under running water. Then, cut the stems of the mushrooms and brush off any remaining dust and dirt.
Preheat your oven to 170°F (77°C) to 175°F (80°C). While the oven is preheating, place the mushrooms on a drying screen, a baking rack over a sheet pan, or an oven-proof plate. Make sure the mushrooms are not overcrowded and have enough space for air to circulate.
Once the oven is ready, place the mushrooms inside and prop open the oven door slightly with a wooden spoon to allow moisture to escape. Leave the mushrooms in the oven for about 2 hours, flipping them halfway through to ensure even drying.
After the time is up, the mushrooms will be partially dried and should feel leathery. Remove them from the oven and let them cool to room temperature. Then, transfer the mushrooms to a colander or mesh container to continue air-drying for another 3-5 days or until they are completely dry.
Once the mushrooms are fully dried, they should feel like little rocks and should be very fragrant. Store them in an airtight container or jar and keep them in a cool, dry place. Properly dried shiitake mushrooms can last for up to a year or even longer.
By following these steps, you can easily dry shiitake mushrooms in your oven without the need for any special equipment or dehydrators.
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Storing dried shiitake mushrooms
Once your shiitake mushrooms are dried, you can store them in airtight containers. You can also add a silica packet to the container to remove any excess moisture. If you're concerned about humidity, you can also store the dried mushrooms in the freezer.
Properly stored dried shiitake mushrooms can last for up to two years. However, it's important to note that the drying time and storage duration depend on the humidity levels.
If you're using an oven to dry your shiitake mushrooms, set the temperature to 170°F (or use the convection function if available). Brush the mushrooms clean and cut them into 1/4-inch slices. Place the mushrooms on a drying screen or a cooling rack and prop open the oven door with a wooden spoon to allow moisture to escape. The mushrooms should be dehydrated until they're leathery, which usually takes about 2 to 3 hours.
If you're air-drying your shiitake mushrooms, place them in an open container that allows good airflow, such as a mesh colander. Leave them in a well-ventilated area, preferably with sunlight, for about a week. Ensure the mushrooms are completely dry and feel like small, light rocks before storing them.
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Benefits of drying shiitake mushrooms
Drying shiitake mushrooms is a great way to preserve them for later use. Dried shiitake mushrooms are a staple in Asian cooking, adding a deep umami flavour to stocks, soups, braises, and stir-fries. They can also be used to make Japanese dashi stocks or base stocks for Korean stews.
Dried shiitake mushrooms offer several benefits compared to fresh shiitake mushrooms. Firstly, they have a more concentrated earthy, woody, and umami flavour. They are chewy and silky, with a meatier texture than fresh mushrooms. This makes them ideal for adding depth of flavour and a "meatiness" to dishes. Secondly, dried shiitake mushrooms are easier to find and can be purchased at Asian grocery stores or online. They can also be dried at home without any special equipment, making them a convenient and cost-effective option.
Additionally, dried shiitake mushrooms offer health benefits due to their nutritional properties. They contain powerful antioxidants that become more effective during digestion, helping to reduce oxidative stress and protect cells from damage. This can potentially prevent various diseases linked to cell damage, including cardiovascular diseases and cancer. Shiitake mushrooms are also known to boost immune cell function, making the body better equipped to fight infections and diseases. The compound lentinan, found in shiitake mushrooms, has strong anti-inflammatory properties, helping to maintain overall health by balancing inflammation.
Overall, drying shiitake mushrooms is a beneficial process that enhances their flavour, texture, and shelf life, while also making them a versatile ingredient in various dishes and providing potential health benefits due to their nutritional content.
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Frequently asked questions
First, brush off any dirt from the mushrooms and cut them into 1/4-inch slices. Preheat your oven to 170°F and place the mushrooms on a drying screen or a cooling rack. Prop open the oven door to allow moisture to escape. Dehydrate the mushrooms for 2 to 3 hours, or until they are dry and leathery.
Start with fresh mushrooms and wipe them clean with a damp towel. Do not wash them under running water. Place the mushrooms in a container that allows air to circulate, such as a mesh colander, and put them in a well-ventilated area. Leave them to air-dry for 7-10 days or until they are completely dry.
When the mushrooms are completely dry, they will feel like small, light rocks and will not give when squeezed. They should be slightly crispy, like chips.

























