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Renowned chef Nobu Matsuhisa prepares miso soup using homemade dashi, a Japanese stock made from just two ingredients and water: kombu, or giant kelp, and katsuobushi, better known as bonito flakes.

  • Yield: Makes 2 quarts

Source: Martha Stewart Living, March 2000


  • One 6-inch piece of kombu
  • 2 to 3 ounces bonito flakes


  1. Wipe kombu lightly with a dry cloth. Place in a large pot with 2 quarts cold water. Bring to boil over medium heat. Remove kombu.

  2. Return stock to a boil. Add bonito flakes, and remove from heat. Let stand 2 to 3 minutes. Strain through cheesecloth to remove flakes.

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