
Dried shiitake mushrooms are a staple in Asian cooking and are used widely in most Asian cuisines. They have a deep umami flavor that fresh shiitake mushrooms lack, and they can be expensive to buy. Luckily, it's easy to dry your own shiitake mushrooms at home, and doing so allows you to preserve the freshest shiitake mushrooms during mushroom season. The drying process can be as simple as laying the mushrooms out in the sun to dry, or using a dehydrator or an oven.
How to Dry Shiitake Mushrooms
| Characteristics | Values |
|---|---|
| Equipment | No special equipment needed. A dehydrator, an oven, or sunlight will work. |
| Preparation | Wipe clean with a damp towel. Do not wash under running water. Brush off any dust and dirt. |
| Cutting | Cut the stems. Slice into 1/4-inch pieces. |
| Container | Use a container that allows air to circulate, e.g. a mesh colander or a baking rack on a baking sheet. |
| Airflow | Place in a well-ventilated area with fresh air and preferably sunlight. |
| Timing | Leave for 7-10 days or until they do not give when squeezed. Timing will vary based on humidity and mushroom size. |
| Storage | Store in an airtight container in a cool, dry place for up to 2 years. |
| Benefits | Dried shiitake mushrooms have a more intense umami flavor and are widely used in Asian cooking. They are also a good source of protein and vitamin D. |
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What You'll Learn

Air drying shiitake mushrooms
Dried shiitake mushrooms are a staple in Asian cooking. The drying process intensifies the deep umami flavor of the mushrooms, allowing them to lend a strong flavor to stocks, soups, braises, and stir-fries. They can be air-dried at home without the need for any special equipment.
To begin the air-drying process, start with fresh shiitake mushrooms. Wipe them clean with a damp cloth, taking care not to wash them under running water. Cut the stems of the mushrooms and brush off any remaining dust and dirt. It is important to ensure that the mushrooms are thoroughly cleaned before proceeding to the next steps.
The next step is to prepare the mushrooms for air drying. Transfer the cleaned mushrooms to a container that allows for good airflow, such as a mesh colander or a baking rack placed on top of a baking sheet. It is important to avoid overcrowding the mushrooms in the container to ensure proper air circulation. Place the container in a well-ventilated area, preferably with access to direct sunlight. If possible, opt for a sunny windowsill or an outdoor location when the weather is dry and rain-free.
The final step is to allow the mushrooms to air dry. Leave the mushrooms in the prepared container for about a week, or until they are completely dry. The drying time can vary depending on factors such as humidity levels and the size of the mushrooms, so it is important to periodically check their progress. The mushrooms are fully dried when they feel hard and do not give when squeezed.
Once the mushrooms are completely dry, they can be stored in airtight containers and kept in a cool, dry place. Properly dried and stored shiitake mushrooms can last for up to two years, providing a convenient way to preserve the freshness and intensify the flavor of these versatile fungi.
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Oven-drying shiitake mushrooms
Drying your own shiitake mushrooms is a great way to preserve the freshest shiitake during the mushroom season, and it's cheaper than buying dried shiitake. Plus, you can be sure that no preservatives are used. The oven-drying method is a quicker alternative to air-drying, although it still requires a few days of preparation.
First, start with fresh shiitake mushrooms and wipe them clean with a lightly dampened towel. 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 170-175°F (80°C). Place the mushrooms on a drying screen or a baking rack set on a baking sheet. Make sure the mushrooms are not overcrowded and leave some space around them for air to circulate. Prop the oven door open slightly with a wooden spoon to allow the moisture to vent. Place the mushrooms in the oven for about two hours, flipping them halfway through.
After this time, the mushrooms will be partially dried. Transfer them to a colander and leave them to air-dry for another 3-5 days. You can also place them on a windowsill to finish air-drying, preferably in the sun. Once the mushrooms are completely dry, they will feel like little light rocks and should not give at all when squeezed. At this point, they can be stored in an airtight container and will last for up to two years.
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Sun-drying shiitake mushrooms
Sun-drying is considered the best method for drying shiitake mushrooms by many. However, it has its disadvantages. For instance, drying shiitake mushrooms slowly in the sun can result in quality degradation, poor appearance, and mould. Moreover, the weak sunlight in spring and autumn during the harvest season is not suitable for sun-drying.
To sun-dry your shiitake mushrooms, start by cutting the stems and brushing off any dust and dirt. Then, lay them in a basket and place the basket in a well-ventilated area outside in the sun to dry. You can also slice the mushrooms to dry them faster. If you are drying them inside, place them near a window. Leave the mushrooms alone for a few days. If you are sun-drying outside, make sure it is not raining.
Once the mushrooms are completely dry, store them in an airtight glass container. They will last for up to two years.
Note that exposing shiitake mushrooms to sunlight increases their vitamin D content.
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Dehydrator drying shiitake mushrooms
Dried shiitake mushrooms are a staple in Asian cooking. The drying process intensifies the deep umami flavour of the mushrooms, allowing them to lend their strong flavour to stocks, soups, braises, and stir-fries. They can be used to make Japanese dashi stocks, or base stocks for Korean stews.
To dry shiitake mushrooms in a dehydrator, first, cut the stems of the shiitake mushrooms and brush off any dust and dirt. Rinse the mushrooms through clear water twice, as shiitake mushrooms tend to lose small particles, which can cause a soup to become cloudy. After rinsing, gently press the mushrooms to remove excess water. Next, place the mushrooms in a dehydrator and dry them over a medium heat setting at around 135° Fahrenheit or 50° Celsius. Leave the mushrooms to dry for 6 to 8 hours, or until they are dry enough. The drying time will depend on the thickness of the slices, with thicker slices taking up to 8 hours to dry. Once the mushrooms are dry, allow them to cool completely before storing them in airtight glass containers. The dried mushrooms can be stored for up to two years and can be rehydrated in warm water whenever needed.
It is important to note that drying mushrooms in a dehydrator is not the only method. Mushrooms can also be dried in the oven or by air-drying them in a well-ventilated area. Additionally, make sure to start with fresh mushrooms, as this method will not work with mushrooms that are past their prime.
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Storing dried shiitake mushrooms
Dried shiitake mushrooms can be stored in airtight containers, such as plastic bags or glass jars with tight-fitting lids, to maintain their freshness. If you live in a humid climate, consider using oxygen-absorbing packets in your resealable bags or jars to prevent spoilage. It is recommended to store dried mushrooms in a cool, dry, and dark place, such as a refrigerator or freezer, to maximise their shelf life.
When storing dried shiitake mushrooms, it is important to keep them away from heat and moisture, as these factors cause dry mushrooms to spoil faster. While it is possible to store them in a cabinet or pantry, choose a cool and dark location. Additionally, if you plan to store the mushrooms for more than six months, it is advisable to use a hard container and keep them in the freezer.
To ensure the best quality, dried shiitake mushrooms should be stored as soon as possible after harvesting or purchasing. If you buy dried mushrooms in a sealed bag and don't plan on using them right away, there is no need to repackage them immediately. However, once the package is opened, transfer the remaining mushrooms to an airtight container to maintain freshness.
Proper storage of dried shiitake mushrooms is crucial to preserving their freshness and flavour. By following these guidelines, you can extend the shelf life of your dried shiitake mushrooms and enjoy their unique earthy flavour in various dishes whenever you want.
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Frequently asked questions
You can air-dry shiitake mushrooms by cleaning them with a damp towel, transferring them to a container that allows air to circulate, and leaving them in a well-ventilated area for 7-10 days. Alternatively, you can dry them in the oven at 170°F for 2-3 hours.
Dried shiitake mushrooms can be stored in an airtight container in a cool, dry place for up to 2 years.
Drying shiitake mushrooms intensifies their deep umami flavor, making them a great addition to stocks, soups, and stir-fries. Drying also increases their protein content and allows you to preserve them for later use.

























