Japanese Ginger Sauce

1/2 c Soy sauce
1/4 c Vinegar
1 Small onion, sliced
1 Small piece of ginger root
method
Place all ingredients in an electric blender and set at high speed. Mix for 2 minutes or until ginger and onions are finely chopped.
*Note* If fresh ginger is not available, substitute 1/8 teaspoon powdered ginger.