Sesame Free Dashi
There is something almost meditative about making a proper Japanese stock from scratch, and the result is a clean, golden broth with a depth of flavor that no store-bought shortcut can match. Kombu brings a quiet, oceanic umami to the water during a slow, gentle soak, while katsuobushi — delicate dried bonito flakes — steeps in the warm liquid to add a smoky, savory backbone that feels both subtle and complex. The technique here is all about patience and restraint: keeping the heat low, pulling the kombu before a rolling boil, and letting the flakes sink undisturbed rather than squeezing out bitter compounds. Those small details are what separate a bright, silky dashi from a murky, flat one. For anyone navigating sesame allergies, this recipe is naturally free of that concern — just three ingredients, none of which carry any hidden sesame risk. It's the kind of foundational recipe that quietly elevates everything it touches, from miso soup to noodle broths to delicate simmered vegetables. Make a batch on the weekend and keep it in the fridge or freezer, ready to transform a weeknight meal in minutes.
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Learn more →Ingredients
4 servings
- 4 ½ cups cold water
- 1 oz (about 15g) kombu
- 1 oz (about 30g) katsuobushi (bonito flakes)
Instructions
- 1
Combine the cold water and kombu in a medium saucepan. Let the kombu soak at room temperature for 30 minutes, until the water turns a pale straw-yellow and the kombu has softened and expanded slightly.
- 2
Place the saucepan over medium-low heat and warm slowly, uncovered, until the water reaches a bare simmer — small bubbles will begin to rise from the bottom of the pan, about 10 minutes. Do not let it reach a full boil; remove the kombu just before the first rolling bubbles appear, as boiling makes the stock bitter and slimy.
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