Japanese Sweet Potato Miso Soup (Satsumaimo Recipe)

Try this delicious and hearty bowl of Japanese sweet potato miso soup! Made with savory miso paste and tender sweet potatoes, this soup will surely satisfy and nourish you!

A bowl of Japanese sweet potato miso soup.

Whether you are a big fan of miso soup or a first-timer, this recipe is easy to follow and promises to deliver a rich, umami taste. With the added sweetness and nutrition of satsumaimo, this soup is the perfect comfort food for any time of the day!

    This recipe is for you if:
  • You love Japanese sweet potatoes.
  • You are looking for a Japanese sweet potato soup recipe.
  • You want to try an easy satsumaimo recipe.

Let me show you how to make it. If you want to check the recipe immediately, please visit the link below. Let’s get started!

About This Recipe

  • Japanese sweet potato recipe
  • Savory and sweet miso soup
  • Ready in under 10 minutes
  • Use vegan dashi powder

📋 Ingredients

Here are the ingredients (amounts are in the recipe card below).

Ingredients for Japanese sweet potato miso soup.
  • Japanese sweet potatoes: See below.
  • Onion: Use regular yellow onion.
  • Aburaage: It is made from tofu that has been deep-fried until golden and crispy. A common ingredient for miso soup.
  • Dashi: I use kombu dashi powder (vegan) for this recipe. You can use other types of dashi powder. See “What is dashi” for more information.
  • Miso paste: It’s made with soybeans, rice koji, and salt. Please pick an authentic one that doesn’t include any other ingredients in it.

Japanese Sweet Potatoes

Japanese sweet potatoes.

Japanese sweet potatoes, also known as satsumaimo, are easily distinguished by their reddish-purple skin and yellowish-white flesh.

They are typically sweeter and starchier than other sweet potato varieties. They are commonly used in Japanese cuisine for sweet and savory dishes, such as tempura, yaki imo (roasted sweet potato), and baked treats.

Where to Buy Japanese Ingredients

If you live in the US, you can find Japanese ingredients in the list below.

  • Japanese market: Mitsuwa MarketplaceMarukai
  • Asian market
  • Whole Foods Market
  • Health food stores
  • Online stores: Instacart, Walmart, Amazon

🔪Instructions

OK, let me show you how to make it!

  1. Cut ingredients.
  2. Bring to a boil.
  3. Simmer for 3 to 4 minutes.
  4. Add miso paste and dissolve it.

Step 1

Cut sweet potato, onion, and aburaage into bite-size pieces.

Cut sweet potato, onion, and aburaage into bite-size pieces.

Cut vegetables in a medium saucepan.

Please put them in a medium saucepan.

Step 2

Cooking Japanese sweet potato miso soup in a saucepan.

Add dashi powder and water to the saucepan and bring to a boil on medium heat.

Step 3

Cooking Japanese sweet potato miso soup in a saucepan.

Lower the heat and simmer for 3 to 4 minutes.

Step 4

Miso paste with a miso measuring whisk.

Turn off the heat and add miso paste using a miso measuring whisk (if you don’t have a whisk, I highly recommend getting one!).

Cooking Japanese sweet potato miso soup in a saucepan.

Stir gently until it dissolves.

Serve

A bowl of Japanese sweet potato miso soup.

Here you go! Your hearty satsumaimo miso soup is ready. You can adjust the amount of miso paste based on your preference. Enjoy!

Helpful Tips

  • Always add miso paste after turning off the heat. If you boil the miso, you will lose the excellent flavor.
  • It’s easy to add miso paste with a miso measuring whisk.

Storage

Japanese sweet potato miso soup in a glass jar.

Fresh miso soup is the best, but if you have leftovers, let it cool and keep it in the fridge.

Transfer the soup to a glass jar and store it in the fridge. It will remain good for 2 to 3 days.

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:

Varieties of Miso Soup

8 Japanese miso soup recipes.

Try these homemade miso soup recipes. They are tasty, easy, and ready in under 10 minutes!

9 Easy Japanese Miso Soup Recipes
5 from 3 votes
Find a new favorite Miso Soup Recipe that'll warm your heart and soul with these 9 variations! Learn how to make it and enjoy a healthy and delicious Japanese soup!
Make This Recipe
wakame miso soup in a soup bowl.

Thanks For Stopping By!

Japanese sweet potato miso soup in a saucepan.

Thank you for taking the time to read my blog♡. If you’ve tried this recipe (or any other recipe on the blog), please give it a star rating below!

Also, feel free to leave comments if you have any questions. I love hearing from you!

More Japanese Sweet Potato Recipes You Might Like

Japanese sweet potato miso soup in a serving bowl.

Japanese Sweet Potato Miso Soup

5 from 3 votes
Print Pin Save
Prep: 5 minutes
Cook: 3 minutes
Total: 8 minutes
Servings: 4 servings
Author: Juri Austin
Try this delicious and hearty bowl of Japanese sweet potato miso soup! Made with savory miso paste and tender sweet potatoes, this soup will surely satisfy and nourish you!

Equipment

  • Medium saucepan 18cm /7 inches
  • Miso measuring whisk

Ingredients

  • 1/2 Japanese Sweet Potato, 100g
  • 1/4 Onion
  • 2 Aburaage
  • tsp Dashi powder, 5g
  • 3 c Water, 720ml
  • 2 Tbsp Miso Paste, 36g, 1.3oz

Instructions

  • Preparation: Cut sweet potato, onion, aburaage into bite size pieces.
  • Bring to a boil: Put the ingredients, dashi powder, and water in a saucepan, and bring to a boil on medium heat.
  • Simmer: Lower the heat and simmer for 3 to 4 minute.
  • Add miso paste: Turn off the heat, add miso (use a miso measuring whisk if you have it), and stir gently until it dissolves.

Notes

Nutrition

Serving: 1serving | Calories: 106kcal | Carbohydrates: 12g | Protein: 19g
Course: Soup
Cuisine: Japanese
Keyword: Japanese sweet potatoes, miso soup
Did You Make this recipe?Please Leave a star rating!

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