Vegan Dashi Recipe: Easy Umami Broth in Minutes

Updated On: October 2, 2025

If you love Japanese cuisine or want to add a rich, umami-packed broth to your vegan recipes, learning how to make vegan dashi is a game-changer. Traditional dashi is a cornerstone of Japanese cooking, typically made with bonito flakes and kombu seaweed.

However, those who follow a plant-based diet often miss out on this flavorful base. Luckily, vegan dashi offers an equally delicious alternative using simple, natural ingredients like dried shiitake mushrooms and kombu.

This broth is not only easy to make but also incredibly versatile, enhancing soups, sauces, and many other dishes with its deep, savory notes.

In this post, I’ll guide you through a straightforward recipe for vegan dashi that you can whip up in no time. Whether you’re a seasoned vegan chef or a beginner exploring plant-based cooking, this recipe is a must-have in your culinary toolkit.

Plus, I’ll share tips to customize it and suggest some exciting ways to use your homemade broth. Let’s dive into the world of vegan dashi and elevate your cooking to new heights!

Why You’ll Love This Recipe

Vegan dashi is the perfect solution for anyone craving authentic Japanese flavors without animal products. It’s:

  • Rich in umami: Thanks to ingredients like kombu and shiitake mushrooms, this broth offers a deep savory taste that boosts any dish.
  • Simple to make: With just a few pantry staples, you can prepare this broth in under 30 minutes.
  • Versatile: Use it as a base for miso soup, noodle bowls, or even vegan risotto!
  • Healthy and light: Low in calories and free from additives, it’s a nutritious addition to your meals.
  • Customizable: Easy to tweak according to your taste preferences or available ingredients.

Ingredients

  • 1 piece kombu (dried kelp), about 4×4 inches
  • 4-5 dried shiitake mushrooms
  • 4 cups filtered water
  • Optional: 1 tablespoon dried wakame seaweed (adds extra flavor and nutrients)
  • Optional: 1 tablespoon soy sauce or tamari (for added depth and saltiness)

Equipment

  • Medium saucepan
  • Fine mesh strainer or cheesecloth
  • Measuring cups
  • Large bowl (for soaking mushrooms)
  • Knife and cutting board (optional, for slicing mushrooms)

Instructions

  1. Prepare the kombu: Rinse the kombu gently under cold water to remove any surface salt or debris. Avoid scrubbing too hard to preserve its umami-rich surface.
  2. Soak the dried shiitake mushrooms: Place the mushrooms in a large bowl and cover them with 2 cups of warm water. Let them soak for at least 30 minutes, or until they become soft and plump.
  3. Simmer kombu and mushrooms: In a medium saucepan, add the rinsed kombu and 4 cups of filtered water. Slowly heat the water over medium heat. Just before the water starts to boil (around 60-70°C or 140-158°F), remove the kombu to prevent bitterness.
  4. Add soaked mushrooms: Add the softened shiitake mushrooms to the saucepan along with the soaking liquid (strained to remove grit). Bring the mixture to a gentle simmer and cook for 15-20 minutes to extract flavor.
  5. Optional: Add wakame seaweed: If using, add the dried wakame during the last 5 minutes of simmering. It will rehydrate quickly and infuse extra flavor.
  6. Strain the broth: Remove the mushrooms (you can slice and use them later in recipes!) and strain the broth through a fine mesh strainer or cheesecloth into a clean container.
  7. Season: Add soy sauce or tamari to taste, if desired, and stir well.
  8. Cool and store: Allow the broth to cool before using it immediately or storing it in the refrigerator for up to 5 days.

Tips & Variations

“Feel free to experiment with different types of seaweed or mushrooms to create your own signature dashi flavor!”

  • Use dried anchovies or shiitake-only: For a vegan version without seaweed, rely solely on shiitake mushrooms for a deep, earthy umami.
  • Double the batch: Vegan dashi freezes well. Make a big batch and freeze in ice cube trays for easy portioning.
  • Add nutritional yeast: Stir in a tablespoon or two for an extra boost of cheesy umami flavor.
  • Use mushroom stems: Don’t toss the mushroom stems after soaking! Chop finely and add to stir-fries or veggie burgers.
  • Make instant dashi powder: Blend dried kombu and shiitake mushrooms into a fine powder to sprinkle on dishes or rehydrate quickly.

Nutrition Facts

Nutrient Amount per 1 cup (240 ml)
Calories 10
Protein 0.5 grams
Fat 0 grams
Carbohydrates 2 grams
Fiber 0.5 grams
Sodium 100-200 mg (varies with soy sauce)
Vitamins & Minerals Rich in iodine, calcium, and antioxidants from seaweed and mushrooms

Serving Suggestions

Once you have your vegan dashi ready, the possibilities are endless! Here are some delicious ways to use it:

  • Miso soup base: Add tofu, scallions, seaweed, and miso paste for a classic vegan miso soup.
  • Ramen broth: Use this as a flavorful base for vegan ramen with noodles, veggies, and your favorite plant-based protein.
  • Simmer vegetables: Cook root vegetables or leafy greens in dashi for extra depth.
  • Rice or grains: Replace water with dashi when cooking rice, quinoa, or barley for enhanced flavor.
  • Sauces and dressings: Incorporate dashi into vegan sauces or vinaigrettes for umami punch.

For more exciting vegan and vegetarian recipes that complement your dashi cooking adventures, check out these favorites:

Conclusion

Mastering vegan dashi unlocks a treasure trove of authentic Japanese flavors without compromising your plant-based lifestyle. This easy-to-make broth is a pantry staple that adds umami richness and depth to countless dishes, from soups and stews to sauces and grain dishes.

With simple ingredients like kombu and shiitake mushrooms, you can create a nourishing, flavorful base that enhances your cooking effortlessly.

Don’t hesitate to experiment with the recipe and make it your own by adding different seaweeds or seasoning options. Vegan dashi not only tastes amazing but is also packed with nutrients, making it a healthy addition to your meals.

Whether you’re cooking for yourself, your family, or friends, this recipe will become a cherished part of your culinary repertoire. For more inspiration, explore other vegan delights on our site and keep cooking with passion!

📖 Recipe Card: Vegan Dashi Recipe

Description: A light and flavorful vegan dashi broth made from kombu and shiitake mushrooms. Perfect as a base for soups, sauces, and stews.

Prep Time: PT5M
Cook Time: PT20M
Total Time: PT25M

Servings: 4 cups

Ingredients

  • 4 cups water
  • 1 piece kombu (dried kelp), about 4 inches
  • 4 dried shiitake mushrooms
  • 1 tablespoon soy sauce or tamari
  • 1 teaspoon mirin (optional)
  • 1/2 teaspoon salt

Instructions

  1. Wipe kombu gently with a damp cloth to clean.
  2. Soak kombu and shiitake mushrooms in water for 20 minutes.
  3. Place soaking water with kombu and mushrooms into a pot.
  4. Heat over medium heat until just before boiling, then remove kombu.
  5. Simmer mushrooms for another 10 minutes.
  6. Remove mushrooms and stir in soy sauce, mirin, and salt.
  7. Strain the broth and use immediately or store.

Nutrition: Calories: 15 | Protein: 1g | Fat: 0g | Carbs: 3g

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Marta K

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