Rice Krispy Treats
["6 c. Rice Krispies cereal", "3 Tbsp. butter or margarine", "1 (10 oz.) pkg. (about 40 regular) marshmallows or 4 c. miniature marshmallows", "1 c. chocolate chips, 1 c. peanut butter chips or 1 c. mini M&M's (optional)"]
["Melt margarine in large saucepan over low heat. Add marshmallows and stir until completely melted. Remove from heat. Add Rice Krispies and additional flavorings, if desired. Stir until well coated. Press mixture evenly into a 13 x 9 x 2 pan coated with cooking spray. Cut into squares when cooled."]
["Rice Krispies", "butter", "marshmallows", "chocolate chips"]