Made with dried smoked bonito (skipjack) tuna, this makes a flavorful main ingredient in salad dressing.
Put kombu and 2 cups water in a small pan. Bring to a simmer over medium-low heat, about 20 minutes. Just before water begins to bubble, discard kombu.
Increase heat to high and bring to a boil. Add bonito flakes, pressing with a spoon to submerge, and immediately shut off heat. Let flakes settle to bottom of pot, about 15 minutes.
Strain through a cheesecloth-lined strainer into a bowl. Wring out all liquid from cheesecloth into bowl.
Make ahead: Up to 2 hours at room temperature.
Note: Nutritional analysis is per cup.
Peko Peko catering, Oakland, California
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