• Total: 15 min
  • Prep: 15 min
  • Yield: about 4 to 5 cups
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6 cups cold water

One 12-inch long piece of kombu, wiped with a damp cloth

1 package shaved dried bonito flakes (0.88-ounce/25 grams)


  1. In a saucepan, combine the water and kombu. Bring to a simmer, uncovered, over medium heat. Remove the kombu and discard. Bring the liquid to a boil, add the bonito flakes and immediately remove the pan from the heat. Let the dashi sit undisturbed for 2 minutes. Strain through a fine mesh strainer into a medium bowl. Discard the bonito flakes. Use now or store covered in the refrigerator for up to 3 days.
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