Shiitake Dashi

Name: Shiitake Dashi
Prep time: 5 min
Total time: 20 min
Yield: 1 batch
Ingredients: 3 dried shiitake mushrooms; ½–⅔ cup water; 3 dried shiitake mushrooms; 2 cups water

User Reviews

4.6

66 reviews

Excellent

Prep Time
5 mins
Additional Time
15 mins
Total Time
20 mins
Servings
1 batch
Calories
1 kcal
Course
Condiments
Cuisine
Japanese

Shiitake Dashi

Caleb Murray

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Shiitake Dashi is a concentrated broth made by soaking dried shiitake mushrooms in cold water to extract their deep umami flavor. This method rehydrates the mushrooms while creating a flavorful stock used in various Japanese dishes. The recipe offers options for making a strong, concentrated dashi or a diluted version depending on water amount and steeping time. The slow soaking releases the mushrooms' fragrance and taste, yielding a versatile mushroom stock.

Description

The Shiitake Dashi recipe starts by gently rehydrating dried shiitake mushrooms in just enough cold water to cover them. This method maximizes the extraction of umami compounds while softening the mushrooms. Several soaking options include a longer, overnight soak for stronger flavor or a quicker 15-minute steep. The water used in soaking absorbs the mushroom essence, producing a clear, rich broth without boiling.

This broth is essential for adding depth to soups, sauces, and simmered dishes, especially in vegetarian cooking where seafood dashi isn’t suitable. The concentrated dashi can be diluted as needed for specific recipes. The soaking mushrooms themselves can also be used after rehydration.

For best results, clean the dried mushrooms gently before soaking by brushing off dirt without washing them to preserve flavor intensity. Starting the dashi preparation well ahead of cooking allows flavors to develop fully.

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Ingredients

Servings

For Rehydrating the Dried Shiitake and Collecting the Dashi

3 dried shiitake mushrooms (5–10 g each; found in Japanese and Asian grocery stores)
½–⅔ cup water (enough to cover the mushrooms)

For a Diluted Dashi

3 dried shiitake mushrooms (5–10 g each)
2 cups water

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Instructions

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Before You Start...

In Japan, we collect shiitake dashi as a by-product of reconstituting dried shiitake mushrooms for recipes. We soak them only in just enough water to cover, so the resulting stock has a very strong and concentrated flavor. In this recipe, I‘ll show you two ways to rehydrate dried shiitake for either a typical stock or a diluted stock. Ideally, you want to start your dashi ahead of time and let it steep for a few hours or preferably overnight. Alternatively, I‘ll also show you a quick method that takes only 15 minutes of steeping time.

★ To Rehydrate the Dried Shiitake and Collect the Dashi ★

Gather all the ingredients. Check the dried shiitake mushrooms to see if there is any dust or dirt trapped in the gills. If there is, use a pastry brush to clean it. Do not wash it under water.
Place 3 dried shiitake mushrooms in a mason jar or airtight container and add ½–⅔ cup water (cold) to cover the mushrooms. Place a heavy object on top of the mushrooms to keep them submerged so they fully rehydrated. If you have time, let them soak in the refrigerator for a few hours or preferably overnight. If you are in a hurry, soak them in ½–⅔ cup warm water (body temperature) for 15 minutes or until softened.
When the shiitake mushrooms are tender, squeeze to drain, reserving the liquid.
Use the rehydrated shiitake mushrooms in the recipe of your choice. You can use them as you would fresh shiitake mushrooms. Simply remove and discard the tough stems with a knife.
To collect the shiitake dashi, run the soaking liquid through a fine-mesh sieve to catch any dirt or debris. This concentrated Shiitake Dashi is now ready to use for adding to a sauce, steaming, seasoning, and so on.

To Store

You can store the dashi in the refrigerator for 2–3 days or in the freezer for 1 month.

★ To Make a Diluted Shiitake Dashi ★

Gather all the ingredients. Check if there is any dust or dirt trapped in the gills of the mushrooms. If there is, use a pastry brush to clean. Do not wash it under water.
Soak 3 dried shiitake mushrooms in 2 cups water. Place a heavy object on top of the mushrooms to keep them submerged so they fully rehydrated. If you have time, let them soak in the refrigerator for a few hours or preferably overnight. If you’re in a hurry, soak them in 2 cups warm water for 15 minutes or until softened.
After soaking for several hours...
When the shiitake mushrooms are tender, squeeze to drain, reserving the liquid.
Use the rehydrated shiitake mushrooms in the recipe of your choice. You can use them as you would fresh shiitake mushrooms. Simply remove and discard the tough stems with a knife.
To collect the shiitake dashi, run the soaking liquid through a fine-mesh sieve. Your diluted Shiitake Dashi is now ready to use.

To Store

You can store the dashi in the refrigerator for 2–3 days or in the freezer for 1 month.

Notes

For stronger flavor, soak dried shiitake mushrooms slowly in cold water overnight to extract umami.
Clean any dirt from mushrooms with a pastry brush before soaking; avoid rinsing to maintain flavor.
Adjust soaking time depending on whether you want a concentrated stock or a lighter broth.

Nutrition Information

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Serving 2cups Calories 1kcal (0%) Carbohydrates 1g (0%) Protein 1g (2%) Sodium 5mg (0%) Potassium 5mg (0%) Fiber 1g (4%) Sugar 1g (2%) Vitamin C 1mg (1%) Calcium 66mg (7%) Iron 1mg (6%)