Natto Miso Soup

If you love natto but are not too fond of its stick-to-your-mouth texture, then this Natto Miso Soup will be perfect for you! Let’s learn how to make it!

Looking for natto recipes? Try my Natto Rice BowlNatto Cheese Toast, or Natto Chahan!

Natto miso soup in a bowl

Do you appreciate the health benefits of natto but do not like its sticky texture? No problem! Simply toss it into miso soup, and the stringy texture transforms into a more solid, easier-to-enjoy consistency!


Natto is a traditional Japanese food made from fermented soybeans. It has a sticky and gooey texture, is highly nutritious, and is a popular choice for breakfast in Japan. One of the most common ways to enjoy natto is by serving it over rice. Learn more about natto in “How to Eat Natto: A Beginner’s Guide

Recipe Ingredients

You’ll need the following ingredients to make this Natto Miso Soup:

Natto miso soup ingredients.
  • Natto: Any type of natto is ok.
  • Dashi: I use a Dashi packet in this recipe. You can also use Dashi powder.
  • Miso paste is made with soybeans, rice koji, and salt. Please pick an authentic one that doesn’t contain any other ingredients.
  • Scallion, Shimeji mushrooms: You can also pick other ingredients if you don’t have them. See the Variation section below.

How To Make Natto Miso Soup: STEP BY STEP 

Here are some quick visual instructions! For the video and all the detailed ingredients and instructions, go to the printable recipe card below.

How to make natto miso soup.

Step 1

Cut shimeji mushrooms and scallions.

How to make natto miso soup.

Step 2

Put cut ingredients and dashi packet in a pot and simmer.

How to make natto miso soup.

Step 3

Turn off the heat and add natto

How to make natto miso soup.

Step 4

Add miso paste and stir gently.

Natto miso soup in a bowl

Serve the soup in a bowl and enjoy this hearty natto miso soup! Feel free to add as much or as little miso paste according to your tastes.


If you don’t have scallion or shimeji mushrooms, it’s ok. The best thing about miso soup is that it goes well with any ingredients! Here are some ideas:

  • Any mushrooms
  • Kabocha (Japanese pumpkin)
  • Daikon
  • Carrot
  • Onion
  • Leafy vegetables
  • Tofu
  • Seaweed

What To Serve With

You can serve your soup with Japanese rice and other traditional dishes to give it a more authentic feel. Here are some recipes you might want to try: Japanese Steamed Rice, Vegan Vegetable Gyoza (dumplings), and Cucumber Salad with Shiokombu.

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Natto miso soup served in a bowl.

Leave a Rating!

I hope you enjoy this Natto Miso Soup! If you try it, don’t forget to leave a rating to share your thoughts—I love hearing from you!

natto miso soup in a bowl

Natto Miso Soup

5 from 5 votes
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Prep: 5 minutes
Cook: 5 minutes
Total: 10 minutes
Servings: 4 servings
Author: Juri Austin
If you love natto but are not too fond of its stick-to-your-mouth texture, then this natto miso soup will be perfect for you! Let's learn how to make it!


  • Saucepan 18cm/7 inches
  • Miso measuring whisk


  • ¼ Scallion, 30g, 1oz
  • ½ Shimeji mushrooms, 80g, 2.8oz
  • 1 Dashi packet, or 2 to 3 tsp Dashi powder
  • 3 c Water, 720ml
  • 1 pack Natto, 50g, 1.8oz
  • 2 Tbsp Miso paste


  • Preparation: Cut scallion into small pieces, cut the bottom of Shimeji mushrooms, and separate them.
  • Bring to a boil: Put vegetables, dashi packet, and water in a pot, and bring to a boil on medium heat.
  • Simmer: Lower the heat and simmer for 3 minutes.
  • Add natto and miso paste: Turn off the heat, take out the dashi packet, add natto and miso, and stir gently until it dissolves.




Serving: 1serving | Calories: 54kcal | Carbohydrates: 5.6g | Protein: 4.6g
Course: Soup
Cuisine: Japanese
Keyword: natto miso soup
Did You Make this recipe?Please Leave a star rating!

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Recipe Rating


  1. 5 stars
    When we put natto in misoshiru (AKA nattojiru), we typically chop the natto into smaller pieces. We also chop the natto into small pieces when we make nattomaki.