Miso Soup
The five-minute soup that anchors every Japanese meal: a clean dashi broth, silken tofu, wakame and miso whisked in off the heat. Restraint is the entire recipe.
Method
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Soak the kombu in the cold water for 20 minutes, then set over medium-low heat and bring it slowly to just below a simmer, about 15 minutes. Remove the kombu the moment small bubbles appear at the edge — boiling it turns the dashi slimy and bitter.
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Bring the water to a brief boil, take off the heat, add the katsuobushi and let it steep for 2 minutes until the flakes sink.
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Strain through a fine sieve without pressing the flakes, which would cloud the broth.
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Soak the wakame in cold water for 5 minutes until it unfurls, then drain.
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Return the dashi to the pan and warm to a bare steam. Add the tofu and wakame and heat through for 2 minutes.
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Take the pan off the heat. Put the miso in a ladle, add a little hot broth and whisk with chopsticks until smooth, then stir it back into the pot.
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Serve immediately, scattered with spring onion. Never let it boil after the miso goes in.
Chef’s Tips
- Keep the spent kombu and katsuobushi to make a second, weaker dashi for cooking rice or vegetables.
- Red miso is saltier and more assertive; start with two-thirds the quantity and adjust.
- Instant dashi powder is a legitimate shortcut used in Japanese homes daily — use 1 teaspoon per 400 ml.
Pairing Suggestions
- Green tea
- Serve with rice and grilled fish as a traditional breakfast
- Precedes almost any Japanese main
Storage & Reheating
Dashi keeps 4 days refrigerated and freezes 2 months. Finished miso soup is best fresh; reheat gently without boiling.
Nutritional Highlights
Per serving, calculated from the ingredient list. Treat these as an estimate — brands and cuts vary.