1/3 cup butter or margarine
1 1/2 cups graham cracker crumbs
1 7 1/2-ounce jar Marshmallow Fluff®
1/3 cup milk
1 6-ounce package semisweet-chocolate pieces
1 3 1/2-ounce can flaked coconut
1 cup chopped walnuts
Heat oven to 350ºF. In 13" × 9" baking pan, melt butter or margarine. Sprinkle crumbs over butter. In small saucepan, over low heat, combine Fluff® and milk, stirring until smooth. Pour over crumbs. Top evenly with remaining ingredients; press down gently. Bake 25 to 30 minutes or until lightly browned. Cool completely; cut into 2-inch squares.