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    Home » Recipes » Foundations

    Last updated: Mar 18, 2026 by Aaron Fukuyama · This post may contain affiliate links · Leave a Comment

    Sushi Mushrooms

    Jump to Recipe

    This recipe shows you how to rehydrate and season dried shiitake mushrooms to use in vegan sushi and rice bowls. Simmered in a simple mix of soy sauce, mirin, and sake, sushi mushrooms absorb deep umami flavour and have a slightly sweet finish.

    Marinated vegan Japanese sushi mushrooms in a container, ready to use in sushi.

    At a glance

    Recipe Sushi Mushrooms
    Ready in 1 hr 25 min
    Serves 6 sushi rolls
    Calories ~139 per serving (est.)
    Key ingredients dried shiitake mushrooms, boiled water, vegan dashi, sake, mirin, soy sauce, sugar
    Course Foundations

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    They're considered a staple in Japanese home cooking and make an easy addition to loads of popular plant-based meals. Add them to soups and noodles like miso or udon, or roll them into your favourite vegan sushi rolls for a boost of umami.

    Jump to:
    • Ingredients
    • Instructions
    • Substitutions
    • Tips for making perfect sushi mushrooms
    • Equipment
    • Storage
    • Top Tip
    • FAQ
    • Related
    • Pairing
    • 📖 Recipe

    Ingredients

    Prep time 60 mins | Cooking time 25 mins | Serves 2-4

    • Dried shiitake mushrooms 
    • Boiled water 
    • Vegan dashi (made from scratch or instant) 
    • Sake 
    • Mirin 
    • Soy sauce 
    • Sugar

    Please see recipe card for quantities.

    Instructions

    Dried shiitake mushrooms in a small bowl with hot water poured over them.
    A whisky glass placed on top of the mushrooms, fully submerging them in water to soak.

    Place dry shiitake mushrooms in a small bowl and cover with boiled water (est. ½ cup). Use something heavy on top (I used a whisky glass) to fully submerge your mushrooms. Leave them to soak for at least half an hour.

    Hands squeezing soaked mushrooms over the bowl to catch and reserve the soaking liquid.
    Sliced shiitake mushrooms laid out on a cutting board, with stems removed.

    Squeeze mushrooms back over the bowl to remove and catch the excess liquid. Save this for later use. Cut your mushrooms into thin strips. De-stem any large stems. 

    A small saucepan of sliced shiitake mushroom strips in liquid, on stovetop heat.
    Top-down view of cooled, simmered shiitake mushroom strips stored in a container, ready to use or refrigerate.

    Place into a small saucepan and add your mushroom liquid and the rest of the ingredients. Stir and bring to a simmer. Simmer for 20-25 minutes until the liquid has reduced by at least half. Allow to cool and store in an airtight container.

    Note: These mushrooms are best served cold, making them perfect for sushi rolls like caterpillar rolls or uramaki with vegan caviar.

    Substitutions

    • Soy Sauce: Use tamari for a gluten-free option. 
    • Dashi: You can omit the dashi altogether if you're strapped for time just add a little extra soy and sugar to counter balance.

    Tips for making perfect sushi mushrooms

    For the best results, always use dried shiitake mushrooms as they develop a much deeper, richer flavor than fresh ones once rehydrated. As you simmer the mushrooms, keep a close eye on the reduction; you want the liquid to concentrate and coat the mushrooms, but not boil down too far, as that can make them overly salty. Finally, make sure to let the mushrooms cool completely before serving or using in other dishes. This gives them a firmer, chewier texture that's more satisfying and works especially well in sushi.

    Equipment

    • Small bowl 
    • Small saucepan 
    • Knife for slicing 
    • Airtight storage container

    Storage

    Once the mushrooms have cooled, pop them in an airtight container and store them in the fridge. They'll keep well for up to 5 days. Just make sure to use clean utensils when handling them to keep everything fresh and safe.

    Top Tip

    Don't throw away mushroom rehydration water! It's packed with flavor and the secret to making this dish extra umami-rich. Keep it in the container with the mushrroms once you're ready to store them in the fridge.

    FAQ

    What mushroom is used in sushi?

    Shiitake mushrooms are the most commonly used mushroom in traditional Japanese sushi, especially in vegan or vegetarian varieties. Dried shiitake are preferred for their rich, concentrated flavor, and are often simmered in a sweet-savoury broth before being added to sushi rolls, inari pockets, or chirashi bowls

    How to cut shiitaki mushrooms for sushi?

    Once rehydrated and de-stemmed, slice the shiitake mushrooms into thin, even strips. This makes them easier to layer into rolls or portion neatly on top of rice. If you're using them in inari or chirashi, small bite-sized pieces work best.

    Can I use fresh shiitake mushrooms instead of dried?

    You can, but dried shiitake are recommended for this recipe. They have a much deeper, richer flavor once rehydrated, which is what gives these sushi mushrooms their signature umami punch.

    Related

    Looking for more vegan Japanese recipes? Try these:

    • top down view of miso ramen with toppings. Wooden chopsticks resting on the lip of the bowl
      Vegan Miso Ramen - Quick 10 Minute Recipe
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      Yuzu Ramen (Japanese Citrus Noodle Soup Recipe)
    • mabo eggplant on a bed of rice
      Mabo Nasu (Mapo Eggplant 麻婆茄子)
    • Our Favourite Vegan Udon Noodle Recipes
    See more Main dishes →

    Pairing

    These are my favorite dishes to serve with sushi mushrooms:

    • Eggplant agebitashi Japanese eggplant dish thumbnail
      Eggplant Agebitashi (Nasu Agebitashi)
    • vegan fried chicken piled high on a small plate
      Vegan Fried Chicken
    • Close up of the beer and eggplant stir-fry served in a shallow bowl, garnished with spring onions.
      Beer and Eggplant Stir-Fry (10 Minute Recipe)
    • sticky tofu on a round plate garnished with spring onions and pickled ginger
      Sticky Tofu: Easy 10-Minute Recipe
    See more Side dishes →

    📖 Recipe

    Marinated vegan Japanese sushi mushrooms in a container, ready to use in sushi.

    Sushi Mushrooms

    Aaron Fukuyama
    Learn how to rehydrate and season shiitake mushrooms for sushi. An easy staple to elevate your vegan Japanese cooking at home.
    Print Recipe Pin Recipe
    Prep Time 1 hour hr
    Cook Time 25 minutes mins
    Total Time 1 hour hr 25 minutes mins
    Course Foundations
    Cuisine Japanese, vegan, vegetarian
    Servings 6 sushi rolls
    Calories 139 kcal

    Ingredients
     
     

    • 5-6 dried shiitake mushrooms
    • ½ cup boiled water

    Broth:

    • ½ cup vegan dashi made from scratch or instant
    • 1 tablespoon sake
    • 1 tablespoon mirin
    • 1 tablespoon soy sauce
    • 1 tablespoon sugar

    Instructions
      cook mode 

    • Place dry shiitake mushrooms in a small bowl and cover with boiled water. Use something heavy on top (I used a whisky glass) to fully submerge your mushrooms. Leave them to soak for at least half an hour.
    • Squeeze mushrooms back over the bowl to remove and catch the excess liquid. Save this for later use. Then cut the mushrooms into thin strips (0.5cm or ¼ inch thick). De-stem any large stems.
    • Place into a small saucepan and add your mushroom liquid, vegan dashi and the rest of the ingredients. Bring to a simmer and make sure your sugar has dissolved
    • Add your sliced mushrooms and simmer for 20-25 minutes until the liquid has reduced by at least half. Allow to cool and store in an airtight container.

    Notes

    • Use a small saucepan so the mushrooms sit properly submerged in the broth, this makes a big difference to the flavour.
    • I like to remove the stems for sushi as it gives a cleaner, more tender bite, but if you're just serving these over rice or in a bento, you can absolutely leave them on.
    • Don't waste the leftover broth. It's full of flavour and great as a quick marinade for tofu, or to toss into a simple vegetable stir fry.

    Nutrition

    Serving: 6mushroomsCalories: 139kcalCarbohydrates: 25gProtein: 5gFat: 1gSaturated Fat: 0.2gPolyunsaturated Fat: 0.3gMonounsaturated Fat: 0.2gSodium: 1563mgPotassium: 230mgFiber: 1gSugar: 17gVitamin A: 5IUVitamin C: 0.2mgCalcium: 44mgIron: 1mg
    Keyword miso, mushrooms, noodle soup, noodles, rice bowl, soup, sushi
    Tried this recipe?Let us know how it was!

    More Foundations

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    Sushi Mushrooms

    Sushi Mushrooms

    Ingredients

    • 5-6 dried shiitake mushrooms
    • ½ cup boiled water
    Broth:
    • ½ cup vegan dashi (made from scratch or instant)
    • 1 tbsp sake
    • 1 tbsp mirin
    • 1 tbsp soy sauce
    • 1 tbsp sugar
    1
    Place dry shiitake mushrooms in a small bowl and cover with boiled water. Use something heavy on top (I used a whisky glass) to fully submerge your mushrooms. Leave them to soak for at least half an hour.
    2
    Squeeze mushrooms back over the bowl to remove and catch the excess liquid. Save this for later use. Then cut the mushrooms into thin strips (0.5cm or 1/4 inch thick). De-stem any large stems.
    3
    Place into a small saucepan and add your mushroom liquid, vegan dashi and the rest of the ingredients. Bring to a simmer and make sure your sugar has dissolved
    4
    Add your sliced mushrooms and simmer for 20-25 minutes until the liquid has reduced by at least half. Allow to cool and store in an airtight container.

    Hope you enjoyed cooking this recipe!

    Please rate this recipe to help others find it.

    step 1 of 4