12 oz. chocolate chips
1 stick butter
1/2 c. peanut butter
9 c. Rice Chex
2 1/2 c. powdered sugar

Melt first 3 ingredients together, pour over Chex. Stir until covered completely. Put 1 1/2 cups powdered sugar in a large ziploc bag. Add Chex mixture, close and shake well. Add another cup of powdered sugar and shake again. Store in covered container.