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How to Make Dashi

homemade dashi
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Dashi is a Japanese soup stock made from kombu and bonito flakes. It adds a clean, savory umami flavor and is commonly used in miso soup and noodle dishes.

Ingredients

Units Scale
  • 6 cups water
  • 20 grams kombu (preserved kelp).
  • 4 cups katsuobushi (dried, shaved bonito flakes)

Instructions

  1. Add the water and kombu to a stockpot and let kombu steep at room temperature for at least 30 minutes (you can soak the kombu for up to 6 hours if you have the time to wait). 
  2. Place a medium pot over medium heat and bring to a boil.
  3. Remove the kombu right before the water reaches full boil.
  4. Turn the heat off and allow the liquid to cool slightly (you can also add a tablespoon or two of cold water to cool quicker).
  5. Add the bonito flakes and stir until they soak the water. Bring the dashi to a boil again
  6. Once boiling, decrease the heat to low and simmer for 5 minutes, skimming off any foam that rises to the top.
  7. Turn off the heat and let steep for 15 minutes.
  8. Strain the liquid through a cheesecloth or a fine sieve to remove bonito flakes from the liquid.
  9. The dashi can be used immediately or stored in the fridge for up to 1 week.

Notes

Vegan dashi: Skip the bonito flakes and use 40 grams of kelp to infuse more kelp flavor. Skip steps 5, 6, and 7.

WHAT TO DO WITH USED BONITO FLAKES AND KOMBU

Reusing katsuobushi (bonito flakes)

The best way to reuse bonito flakes is to make this easy furikake recipe. Furikake is extremely easy to make and can be used as a rice topping, for onigiri, and as a seasoning for pasta and other noodles dishes. 

katsuobushi

Reusing kombu

I learned this trick from my mother who hates to waste any food.

  1. Slice the kombu into strips and pan fry for a few minutes.
  2.  Drizzle a little sesame oil and soy sauce and fry for a few seconds. Eat as a side with rice and other pickles.

kombu

Nutrition

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