Crunch Bars 35 saltine crackers 1/2 cup butter or margarine 1/2 cup packed brown sugar 2 4-oz pkgs (4 oz. each) semi-sweet chocolate, chopped 1 cup chopped walnuts, toasted Heat oven to 400ºF. Place crackers in single layer on bottom of foil-lined 15x10x1-inch pan. Cook butter and sugar in saucepan on medium-high heat until butter is melted and mixture is well blended, stirring occasionally. Bring to boil. Cook 3 min. Do not stir. Pour over crackers. Spread to evenly cover crackers. Bake 5 to 7 min or until topping is golden brown. Immediately sprinkle with chocolate. Let stand 5 min or until softened. Spread over crackers. Top with nuts. Cool completely before breaking into pieces.