Food EditionCookJapaneseDinnerMaking Miso Soup at Home
20 minEasyServes 4
Japanese · Dinner

Making Miso Soup at Home

The foundation of this soup is the dashi. Once you have a clear, savory stock, the miso paste serves as the seasoning that brings the entire dish to life.

Total time
20 min
Hands-on
15 min
Serves
4
Difficulty
Easy
Before you start

Temperature control is your primary concern.

Boiling miso damages its character, so keep the heat low once the paste is stirred in. Use a fine-mesh strainer to ensure the texture of the soup remains clean.

  • medium saucepan
  • fine-mesh strainer
  • small bowl or ladle for whisking
  • chopsticks or whisk
Ingredients

What goes in.

  • 4 cupswater
  • 1 piecedried kombu, approx. 3x3 inches
  • 1 cupkatsuobushi (dried bonito flakes)
  • 3 tbspmiso paste (white or red)
  • 1/2 cupsilken tofu, cut into 1/2-inch cubes
  • 2 tbspgreen onions, thinly sliced
The key technique

Dispersing the Paste

Never drop a lump of miso directly into the pot. Scoop the paste into a ladle, submerge it partially in the hot stock, and use chopsticks to whisk it into a smooth slurry before swirling it into the main pot.

Step by step

The method.

  1. Prepare the dashi

    Place water and kombu in a saucepan over medium-low heat. Remove the kombu just before the water begins to simmer to prevent bitterness.

  2. Add bonito

    Bring the water to a gentle simmer, stir in the katsuobushi, and remove from heat. Let it steep for 3 minutes, then strain through a fine-mesh sieve into a clean pot.

  3. Warm the tofu

    Return the dashi to the stove on low heat. Add the cubed tofu and warm through for 2 minutes.

  4. Integrate the miso

    Using the tempering move, whisk the miso into the stock. Remove from heat immediately once you see small wisps of steam or tiny bubbles form at the edge of the pot.

  5. Serve

    Ladle into small bowls and garnish with green onions.

Variations

Other turns to take.

Clam Miso Soup

Add scrubbed, live asari clams to the dashi in step 3 and simmer until the shells open.

Vegetable Forward

Add thinly sliced wakame seaweed or slivered shiitake mushrooms to the dashi during the final minute of simmering.

Tips & troubleshooting

When it doesn't go to plan.

Tip

White miso is mild and slightly sweet, while red miso is more pungent and intense; start with white if you are new to the flavor profile.

Tip

If the dashi is cloudy, you may have boiled the bonito too aggressively; keep the heat steady but gentle.

Tip

Store miso paste in the refrigerator; it will keep for months without degrading.

Questions

The ones that keep coming up.

Can I use store-bought dashi powder?

Yes. If using instant dashi granules, follow the package instructions to dissolve into 4 cups of water and skip the first two steps.

Why does my soup look separated?

This happens if the miso wasn't whisked thoroughly before adding, or if the soup was allowed to boil after the miso was added.

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