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The raw materials of dashi: kombu, katsuobushi, and dried shiitake
  • Concept
  • 出汁

Dashi

The broth that sits under almost everything.

Dashi is the collective name for the Japanese broths that form the flavor base of the cuisine. Unlike Western stocks, which simmer for hours on bones and root vegetables, dashi is about quickly and gently drawing umami out of dried ingredients. A classic batch takes ten to twenty minutes and is built on two or three ingredients.

Background

Facts

Base ingredients
kombu (brown kelp rich in glutamate) and katsuobushi (shaved dried bonito, rich in inosinate)
Synergy
glutamate and inosinate reinforce each other, so the whole tastes like more than the sum of its parts
Kombu dashi
nothing but kombu and water; vegetarian, mild, and lightly sweet
Awase dashi
kombu plus katsuobushi, the classic all-purpose broth
Niboshi dashi
dried small fish, usually sardines; stronger and more robust
Connection
it was from kombu dashi that glutamate was first isolated and umami got its name

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Evidence

Sources

  1. Nekko Journal: Dashi, den japanska buljongen (retrieved 2026-08-08)
  2. Dashi (Wikipedia) (retrieved 2026-08-08)