Ingredients

5 cups Takashi’s Dashi

1 1/4 cups Japanese soy sauce

1 1/4 cup mirin

3/4 cup packed katsuobushi (dried bonito flakes)

Preparation

In a large pot, bring dashi, soy sauce, and mirin to a boil over high heat. Immediately reduce heat to a simmer and add katsuobushi; simmer for 2 minutes. Remove from heat and let stand for 3 minutes.

Prepare an ice-water bath. Place a fine mesh strainer over a bowl. Strain dashi mixture into bowl and set bowl in ice-water bath until cool.