how to make tempura sauce?

Answer 1

~Tempura Dipping Sauce~

3 1/2 cups water
1/4-1/2 cup soy sauce
2 teaspoons sake
2 teaspoons mirin
1 fish bouillon cube


In a saucepan, mix all ingredients and bring to a rapid boil.
Remove from heat and cool before serving in individual dishes alongside a platter of tempura.

Answer 2

You can buy it premade already, but basically it consists of water, soy sauce, mirin (Japanese sweet sake), and dashi (a Japanese fish stock you can buy in powdered form).