MICROWAVE: In 4 quart, microwave-safe bowl, microwave margarine on HIGH (full-power) 1 minute or until melted. Add sugar and milk, mix well. Microwave on HIGH 5 minutes or until begins to boil, stirring after 3 minutes. Mix well, scrape bowl. Continue microwaving 5-1/2 minutes. Stir after 3 minutes. Stir in chips until melted. Add remaining ingredients, mix well.
Pour into greased 9 inch square pan or 13x9 inch baking pan. Cool at room temperature. Cut into squares.
Makes 3 pounds.