In large saucepan, melt chocolate morsels and peanut butter over low heat; stirring constantly. Remove from heat. Stir in cereal and marshmallows.
Using buttered spatula or waxed paper, press mixture evenly into 13 x 9 x 2-inch baking pan coated with cooking spray. Chill in refrigerator about 45 minutes.
Cut into 18 bars. Serve by inserting plastic or wooden stick into each bar.
Microwave Directions: In large microwave safe bowl, melt chocolate morsels and peanut butter at medium power for 2 to 2 1/2 minutes. Stir until smooth. Add remaining ingredients, stirring until well coated. Continue with recipe directions.