Caffeine Free Classic Dashi
This deeply savory Japanese stock is built on just two ingredients — kombu seaweed and bonito flakes — making it a naturally caffeine-free foundation for soups, noodle broths, simmered vegetables, and more. The process is all about patience and gentle heat: the kombu soaks slowly in cold water, releasing its umami without ever reaching a boil, and the bonito flakes steep off the heat so their delicate flavor comes through clean and clear. What you end up with is a golden, subtly oceanic broth that tastes far more complex than its short ingredient list suggests. For anyone avoiding stimulants, this is a reassuring recipe — no tea, no coffee, no hidden additives, just pure, traditional technique. It's the kind of foundational stock that quietly elevates everything it touches, from a simple miso soup to a silky chawanmushi. Make a batch, refrigerate it, and you'll find yourself reaching for it all week.
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Learn more →Ingredients
4 servings
- 4 cups cold water
- 1 oz (about 15–20 g) kombu
- 1 oz (about 1 packed cup) katsuobushi (bonito flakes)
Instructions
- 1
Use kitchen scissors or a knife to score the kombu with a few shallow cuts along its surface, then place it in a medium saucepan with the cold water. Let it soak for 30 minutes, until the kombu has softened and the water has taken on a faint golden tint.
- 2
Set the saucepan over medium-low heat and warm the kombu and water slowly, until small bubbles begin to form at the bottom of the pan and the water reaches about 140–150°F (60–65°C) — just below a simmer. This should take about 10 minutes. Do not let the water boil.
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