Lactose Free Dashi
This foundational Japanese stock is one of the most quietly powerful things you can make in a home kitchen — pale golden, subtly oceanic, and deeply savory in a way that feels almost effortless. It's built entirely from water, dried kelp, and smoked bonito flakes, which means there's nothing remotely dairy-based to worry about from the very first ingredient to the last. That makes it a natural fit for anyone avoiding lactose, since so many store-bought broths and soup bases sneak in butter, cream, or milk solids you'd never expect. The technique here is all about patience and gentle heat — soaking the kombu slowly, pulling it before a full boil, and letting the bonito flakes steep undisturbed so you get clean, delicate flavor without any bitterness. Straining without pressing is the small but crucial detail that keeps the stock silky and bright rather than murky. Once you have a batch ready, it becomes the backbone of miso soup, noodle broths, simmered vegetables, and so much more. Keep a container in the fridge and you'll find yourself reaching for it constantly.
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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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