
Dried mushrooms are a versatile and cost-effective ingredient that can be used in a variety of dishes. To use dried mushrooms in cooking, they must first be rehydrated. The traditional method involves submerging the mushrooms in a bowl of hot water and weighing them down with a plate to keep them submerged. However, a French press can also be used to keep the mushrooms submerged in hot water, and the plunger can be used to extract more flavour from the mushrooms after they have soaked. Room temperature water can also be used to rehydrate dried mushrooms, which may better preserve their flavour, but the process will take longer. The soaking time will depend on the size and thickness of the mushrooms, with thinly sliced mushrooms taking around 20-30 minutes to rehydrate, while thicker mushrooms may take several hours. Once the mushrooms are soft, they can be removed from the liquid, squeezed to remove excess moisture, and rinsed to remove any residual grit. The cooking liquid can be strained and saved for use in stocks or braises, or it can be discarded if it is bitter. Rehydrated mushrooms can be used in soups, stews, broths, stir-fries, or as toppings for pasta, pizza, or salads. However, it is important to note that rehydrated mushrooms will have a slightly chewier texture than fresh mushrooms and may not have the same spectrum of flavours.
Characteristics of softening dried mushrooms
| Characteristics | Values |
|---|---|
| Type of water | Hot water, room temperature water, cold water |
| Soaking time | 20 minutes to an hour, 30 minutes, 2 hours, 8 hours or more |
| Soaking method | Submerge in water, use a French press |
| Post-soak treatment | Rinse, marinate in oil and sugar, season in oil and air-fry |
| Soaking liquid | Save for stocks and braises, discard if bitter |
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What You'll Learn

Soak in room-temperature water
Soaking dried mushrooms in room-temperature water is an effective way to rehydrate them while preserving their flavour. The mushrooms will absorb water and soften, but this method will prevent them from becoming too soggy or losing their distinctive taste.
To begin, weigh out your desired amount of dried mushrooms. Place them in a bowl and cover them with room-temperature water. Use your fingers to gently push the mushrooms down so they are fully submerged.
The soaking time will depend on the size and thickness of the mushrooms. Thinly sliced mushrooms will usually take around 20 to 30 minutes to rehydrate, while thicker varieties may take longer. If you are using whole cap mushrooms, like shiitake, plan for a longer soak. For the best results, start the rehydration process as the first step in your recipe, so the mushrooms have plenty of time to soften.
Once the mushrooms have reached your desired level of softness, remove them from the water. You can lightly squeeze them to eliminate excess moisture. Some people choose to rinse their mushrooms after soaking to remove any residual grit, but this step is optional as some believe it washes away flavour.
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Use a French press
Using a French press is an effective way to soften dried mushrooms. The press's plunger helps keep the mushrooms fully submerged in liquid, ensuring even rehydration. Here's a step-by-step guide:
Step 1: Prepare the Mushrooms and French Press
Firstly, weigh out your desired amount of dried mushrooms. It's important to note that mushrooms expand significantly during rehydration, so a small amount will go a long way. Clean your French press thoroughly to ensure that your mushrooms do not absorb any residual coffee flavour.
Step 2: Choose Your Soaking Liquid
You can use warm or room-temperature water to rehydrate your mushrooms. If you're in a hurry, hot water will speed up the process, but it may affect the mushrooms' flavour and texture. Some sources suggest using cold liquid to preserve the mushrooms' flavour, but this will increase the soaking time.
For added flavour, you can use wine or stock instead of water. This will create a flavoured mushroom liquor that you can use in sauces.
Step 3: Soak the Mushrooms
Place the mushrooms in your French press and partially fill it with your chosen liquid. Ensure the mushrooms are fully submerged by placing the plunger on top. Leave the mushrooms to soak for 20-30 minutes for thin or sliced mushrooms. Larger, denser mushrooms will take longer, possibly several hours.
Step 4: Press and Extract Flavour
Once the mushrooms are tender, slowly press down on the plunger as you would when making coffee. You can also gently press down on the mushrooms themselves to extract a little more flavour into the liquid. Be careful not to crush them.
Step 5: Strain and Use
Strain the mushrooms and use them in your desired recipe. You can save the flavoured liquid for use in stocks, sauces, or cooking rice.
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Marinate caps in oil and sugar
Dried mushrooms are a versatile and economical alternative to fresh mushrooms. They can be used in stir-fries, as toppings for pizza or pasta, or added to soups, stews, and broths. While dried mushrooms are typically soaked in hot water to rehydrate them, one unique method involves marinating the mushroom caps in oil and sugar.
This technique, suggested by Ping Coombes in her cookbook, "Malaysia: Recipes From a Family Kitchen," yields silkier, lusher, and fatter rehydrated mushrooms. Here is a step-by-step guide to achieving plump and flavorful mushrooms using this method:
Step 1: Rehydrate the Dried Mushrooms
Start by rehydrating dried shiitake mushrooms in water for about two hours. The amount of water used should be enough to fully submerge the mushrooms. If you are short on time, you can use hot water, but room temperature water will better preserve the mushrooms' flavor.
Step 2: Prepare the Mushroom Caps
Once the mushrooms have absorbed enough water and become plump, remove them from the liquid. Then, gently remove the stems from the mushroom caps. It is recommended to discard the stems as they can be tough and fibrous.
Step 3: Marinate in Oil and Sugar
For this step, you will create a simple marinade by combining oil and a small amount of sugar. The type of oil used can be extra virgin olive oil or any other preferred oil. The sugar added to the marinade will balance the acidity and enhance the overall flavor. You can adjust the amount of sugar used depending on the desired level of sweetness.
Place the mushroom caps in the marinade and ensure they are well-coated. Let the mushrooms marinate for about an hour. During this time, the mushrooms will absorb the flavors of the oil and sugar, resulting in a richer and more luscious taste.
Step 4: Use the Marinated Mushroom Caps
After the mushrooms have finished marinating, they are ready to be used in your desired dish. You can sauté or roast them, or add them to pastas, salads, sandwiches, or antipasto platters. The marinated mushroom caps will provide a unique flavor and texture to your culinary creations.
By following these steps and incorporating the oil and sugar marinade, you can transform dried mushrooms into juicy and irresistible treats. This technique showcases the versatility of dried mushrooms and adds a touch of elegance to your cooking.
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Season in oil and air-fry
To soften dried mushrooms, you can season them in oil and air-fry them. This method is not only delicious but also easy and quick.
Firstly, clean the mushrooms by washing them in cold water. Use a paper towel or mushroom brush to wipe off any dirt. Pat the mushrooms dry with paper towels. Then, slice the whole mushrooms into even slices and remove the stems. Try to use small mushrooms, as larger mushrooms can take longer to cook. Place the sliced mushrooms in a medium bowl.
Next, add olive oil or melted butter to the bowl of mushrooms. You can also add garlic, salt, and pepper for seasoning. Toss the mushrooms in the bowl until they are well coated. Transfer the seasoned mushrooms to the air fryer basket. Spread them out in a single layer, without overcrowding the basket. Cook in batches if necessary.
Finally, air fry the mushrooms at 400 degrees Fahrenheit for 5 to 7 minutes, depending on the size of the mushrooms. You can crank up the heat a bit for the last few minutes, but be sure to check on them occasionally. The mushrooms should absorb more flavour in the air fryer and also get a better crisp.
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Simmer in a saucepan
Dried mushrooms are a versatile and flavourful ingredient to have in your pantry. They can be rehydrated and tossed into soups, stews, broths, and more.
To soften dried mushrooms in a saucepan, start by weighing out the desired amount of mushrooms and placing them in the pan. Cover the mushrooms with water—use room-temperature water for more flavour, or hot water to speed up the process. The soaking time will vary depending on the size and thickness of the mushrooms. Thinly sliced mushrooms will be rehydrated in 20 to 30 minutes, while thicker and whole cap mushrooms may take up to 45 minutes or longer. To speed up the process, flip the mushrooms over once or twice during soaking.
Once the mushrooms have softened, remove them from the water using your fingers or a spoon, squeezing them lightly to remove excess water. If you detect any grittiness, rinse the mushrooms under running water to remove any hidden, stubborn grit.
The water used to rehydrate the mushrooms can be saved and used as a flavourful addition to soups, sauces, or other dishes. Alternatively, you can discard the water and simply add the softened mushrooms to your recipe.
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Frequently asked questions
The best way to soften dried mushrooms is to soak them in water. The soaking time will vary depending on the size and thickness of the mushrooms. Thinly sliced mushrooms will be rehydrated in 20 to 30 minutes, while thicker and whole cap mushrooms may take longer. If you are in a hurry, use hot water, but be aware that this may cause the mushrooms to lose some of their flavor.
Some people recommend using cold water to rehydrate dried shiitake mushrooms, as this helps to preserve their flavor. However, this can take several hours. If you are short on time, you can use hot water, but this may cause the flavor to leech into the water.
Yes, dried mushrooms can be used as a topping for pizza or salads without being rehydrated first. However, make sure they are fully softened before adding them to your dish.

























