Puppy Chow! Ingredients 1/2 cup peanut butter 1/4 cup butter 1 cup chocolate chips 1/2 teaspoon vanilla 9 cups Chex cereal (Any variety. I used Wheat Chex) 1-1/2 cups powdered sugar Instructions Place peanut butter, butter and chocolate chips in a microwave safe bowl. Microwave for one minute, then stir to blend all ingredients