1 c. water
1/2 c. raw peanuts
1/4 c. cornstarch or arrowroot
2 tsp. salt
1 1/2 tsp. onion powder
4 c. additional water

Blend all ingredients, except additional water. Pour blended ingredients into a saucepan. Rinse blender with additional water and pour into pan. Lightly boil, stirring, about 10 minutes, until thickened.