Emily Johnson
Drying mushrooms in a dehydrator is a great way to preserve their flavour and increase their shelf life. Dehydrators use a gentle heat source and constant airflow to gradually and evenly remove moisture. The process is simple: load the dehydrator with pre-dried mushrooms, turn it on, and let them dehydrate. The temperature and timing will depend on the type of mushroom and how you plan to use them later. For example, thicker slices will take longer to dry. The mushrooms are ready when they snap under pressure. Properly dried and stored, dehydrated mushrooms can last a year or more.
| Characteristics | Values |
|---|---|
| Advantages of a Dehydrator | Optimal way to dry mushrooms, minimises risk of contamination, allows for long-term storage |
| Mushroom Preparation | Clean the mushrooms, slice them 1/4 to 1/2 inch thick, spread evenly across drying racks, ensure no pieces are touching |
| Dehydrator Settings | Low temperature (40°C-55°C), use timer option if available |
| Drying Time | 4-8 hours for 1/4-inch slices, up to 8 hours for thicker slices, rotate trays every 3-4 hours |
| Storage | Allow mushrooms to cool, store in airtight containers, vacuum seal for longer shelf life, label with date and details, store in a cool, dark, dry place |
| Rehydration | Pour boiling water and soak for 20-30 minutes, use the flavoured liquid for stocks and sauces |
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What You'll Learn
How to prepare mushrooms for drying
Drying mushrooms is a great way to make them shelf-stable and use them in your everyday cooking. Here is a step-by-step guide on how to prepare mushrooms for drying:
Cleaning the Mushrooms
Before placing the mushrooms in the dehydrator, ensure they are properly cleaned. You can use a damp paper towel to wipe your mushrooms or use a mushroom brush followed by a quick rinse under cold running water. Contrary to popular belief, raw mushrooms do not soak up lots of water during a quick rinse. Try to get rid of all the dirt on the mushrooms.
Slicing the Mushrooms
Whole mushrooms or thick slices will not dry properly as the mass will be too dense. To prepare your mushrooms for the dehydrator, slice them into pieces between 1/4 to 1/2 inch thick. The thicker the slices, the longer they will take to dry. Arrange the cleaned, sliced mushrooms on the dehydrator trays, ensuring none of the pieces overlap or touch. This allows for the best airflow, and they will dry faster and more evenly.
Drying the Mushrooms
Place the trays in the dehydrator and set the temperature between 110-125°F (40-52°C). The drying time will depend on the thickness of the slices and the type of dehydrator, but it usually takes 4-10 hours. Check on your mushrooms every hour or so, especially towards the end, as vegetables can scorch easily. The mushrooms are done when they are crispy and break in half instead of bending.
Cooling and Conditioning
Once the mushrooms are dried, let them cool completely before handling. Then, place them in a large airtight container and leave them on your counter for a few days. Check daily for any moisture or condensation forming. If there is no moisture, you can proceed to store the mushrooms. If there is any condensation, you can put them back into the dehydrator to dry for a little longer.
Storing the Mushrooms
After conditioning, transfer the mushrooms to clean, airtight containers. For longer shelf life, you can vacuum seal the containers. Use moisture-absorbing desiccant packets if you live in a humid environment. Label the containers with the contents and the date of drying. Store the containers in a cool, dry, and dark place, away from direct light or heat. Properly dried and stored mushrooms can last for up to two years.
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Choosing the right dehydrator
Temperature Control:
The ideal dehydration temperature varies depending on the mushroom variety and desired outcome. For culinary mushrooms like shiitake or portobello, a higher temperature within the recommended range of 110°F–130°F (43°C–54°C) is suitable. Meanwhile, psilocybin mushrooms are often dried at lower temperatures (as low as 95°F) to preserve their potency, as higher heat can degrade the active compounds. Therefore, look for a dehydrator with a thermostat and temperature control settings to adjust the temperature according to the type of mushroom and your specific goals.
Airflow and Fan Placement:
Proper airflow is crucial for even drying. Ensure the dehydrator you choose allows for adequate airflow around the mushrooms. Additionally, check the placement of the fan. Some models, like the Gardenmaster, have a bottom fan that can get clogged with spores, while others, like the Snackmaster, feature a top fan.
Number of Trays:
Consider the number of trays or racks included with the dehydrator. The Excalibur 3900 model, for example, offers nine trays, providing ample space for drying mushrooms in batches.
Wattage and Energy Consumption:
Dehydrators can run for extended periods, so consider the wattage and energy efficiency of the unit. A dehydrator with lower wattage may help save on electricity costs, especially if you plan to use it frequently or for long periods.
Cost and Durability:
Dehydrators can range in cost, with prices varying from $70 to $270, depending on the brand and features offered. While it may be tempting to opt for a cheaper model, keep in mind that durability and longevity are essential. Look for a dehydrator that is built to last, with good reviews to ensure your investment pays off in the long run.
By considering these factors, you can choose the right dehydrator for drying mushrooms effectively while preserving their quality and extending their shelf life.
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The drying process
First, clean the mushrooms with a vegetable or mushroom brush. Then, slice the mushrooms into pieces that are between 1/4 to 1/2 inch thick. The thicker the slices, the longer it will take to dry, so consider this 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.
Set the dehydrator to a low temperature of around 40°C to 55°C to keep the psilocybin intact. The drying time will depend on the thickness of the slices and how long you pre-dried them for. It can take anywhere from 4 to 24 hours. Check on your mushrooms every hour or so and test their structure. They are ready when they become dry and crispy, and snap under pressure.
Once the mushrooms are dry, allow them to cool completely before storing them. Transfer the cooled mushrooms to airtight glass jars and cover them tightly with lids. Label the jars with the contents, including the type of mushroom and the date of drying. Store the jars away from direct light, heat, or humidity. Properly dried and stored mushrooms can last for at least a year.
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Conditioning and storing dried mushrooms
Conditioning dried mushrooms is an important step to ensure long-term freshness. To condition dried mushrooms, place them in a large, airtight container and shake once a day for a week. Keep a close eye on the mushrooms and check for any signs of condensation, sticking, or other moisture issues. If you notice any moisture, return the mushrooms to the dehydrator.
Once your mushrooms are properly dried and conditioned, it's important to store them correctly to maintain their freshness. Dried mushrooms should be stored in airtight containers in a cool, dark, and dry place. Avoid storing them in warm areas, such as cupboards, as this will reduce their shelf life. The ideal storage temperature is below room temperature, and they should be protected from direct sunlight.
You can use glass or plastic containers with tight-fitting lids, or opt for freezer bags if you plan to store them in the refrigerator or freezer. Label the containers or bags with the contents, including the type of mushroom and the date of drying. This will help you keep track of how long they have been stored.
Properly stored dried mushrooms can last for several years. However, if you plan to store them for more than six months, it is recommended to use hard containers and store them in the freezer. With proper conditioning and storage, you can enjoy the convenience of having dried mushrooms on hand for a variety of culinary creations.
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Rehydrating dried mushrooms
Dried mushrooms are a great addition to your pantry, packing a lot of flavour and lasting a long time. They are also versatile and can be used in various dishes, including soups, stews, sauces, pâtés, and gratins. Here is a guide on how to rehydrate dried mushrooms:
Cleaning and Inspection
Before rehydrating, it is important to clean the mushrooms thoroughly. Use a vegetable or mushroom brush to remove any dirt or residue. Some people also recommend rinsing the mushrooms under running water for a few seconds to ensure they are grit-free. If you purchased packaged mushrooms, they may already be fairly clean, but it is still important to give them a quick inspection and wash off any visible dirt.
Rehydrating
The most common method for rehydrating dried mushrooms is to simply soak them in water. The amount of water, soaking time, and water temperature can vary depending on the type and size of the mushroom, so it may take some experimentation to find the perfect combination. Room temperature or cold water can be used, and the mushrooms should be soaked for anywhere from a few minutes to 20-30 minutes. If you're in a hurry, warmer water will speed up the process, but it may extract more flavour from the mushrooms.
Using the Soaking Liquid
Don't discard the mushroom-soaking water! This liquid is flavourful and can be used in soups, sauces, or anywhere you want to add a mushroom boost. Be sure to strain the liquid through a coffee filter or paper towel to remove any remaining grit or dirt.
Cooking the Rehydrated Mushrooms
It is important to note that rehydrating mushrooms is not the same as cooking them. Mushrooms contain a substance called chitin, which human stomachs cannot digest. So, be sure to cook the mushrooms thoroughly after rehydrating, whether by stir-frying, sautéing, or adding them to a soup or sauce.
Tips for Better Flavour
To enhance the flavour of your rehydrated mushrooms, consider adding some fat and salt. Sautéing the mushrooms in butter or olive oil, or even adding some broth, can improve their taste and texture. Combining dried and fresh mushrooms in a dish can also boost the mushroom flavour. Additionally, don't forget to taste the soaking liquid, as this can be quite flavourful and can be used in various ways in your cooking.
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Frequently asked questions
Dehydrators are an excellent way to dry mushrooms. They use a gentle heat source and constant airflow to gradually and evenly remove moisture.
The drying process in a dehydrator takes between 4 to 10 hours, depending on the thickness of the mushroom slices.
The ideal temperature for drying mushrooms is between 40°C and 60°C. Lower temperatures, around 40°C, are recommended to keep the psilocybin intact.
Mushrooms are dry when they are crispy and brittle. To test, let them cool and then snap a piece in half. If it breaks easily, it's ready; if it bends, it needs more time in the dehydrator.
Allow the mushrooms to cool completely before storing. Store them in airtight containers, such as glass jars, in a cool, dry, and dark place. Label the jars with the contents and date of drying. Dried mushrooms can be stored for at least a year.
