1 cup Kikkoman Soy Sauce 2/3 cup water 1/3 cup lemon juice 1/3 cup lime juice 1/3 cup yuzu juice 2 tablespoons mirin 1/4 cup granulated sugar 2 tablespoons brown sugar 2 ounces ginger, sliced 2 x 2-inch square kombu [Japanese dried kelp] (optional) Small handful bonito flakes (optional)
Instructions
Combine all ingredients and let sit, refrigerated, for two days, then strain. Best if aged for 1 month before using.
Recipe by Chef John Beardsley, 415 Asian Restaurant and Lounge, San Francisco, CA.