Orange Ponzu - cooking recipe

Ingredients

1/4 cup soy sauce
1/2 cup rice vinegar
2 tablespoons bonito shavings (dry fish flakes)
1 (1 inch) square konbu (kelp)
1 orange, quartered

Preparation

In a saucepan, combine the soy sauce, rice vinegar, bonito shavings, konbu and the orange quarters. Let stand for 30 minutes.
Bring to a boil. Just as it starts to boil, remove from the heat. Allow to cool, then strain through a cheesecloth lined sieve.