Combine margarine, peanut butter, and marshmallows in a medium saucepan; cook, stirring constantly, over low heat until marshmallows are melted and mixture is smooth. Pour marshmallow mixture over cereal, stirring until cereal is well coated. Stir in chocolate morsels. Press mixture into a 13 x 9 x 2-inch pan coated with cooking spray using a rubber spatula coated with cooking spray. Let cool completely.
Cut into 24 bars.
2 points Per Bar: 96 calories, 2.2 g Fat, 0 g Fiber