Make one recipe brownies from basic cookie mix. Bake for 25 minutes. Remove from oven. Evenly sprinkle miniature marshmallows over brownies. Return to oven. Bake 5 additional minutes. Remove from oven; cool in pan. Combine peanut butter chips and shortening in the top of a double boiler over hot, NOT boiling water. Stir until melted. Add the rice cereal; stir until thoroughly coated. Spread over top of marshmallows. Cool until set. Cut into squares. Makes 16 Recipe By :