• ½ C. (1 stick) margarine or butter
• ¾ C. firmly packed brown sugar
• 1 egg
• 1 tsp. vanilla
• 1 C. flour
• ½ tsp. baking soda
• ¼ tsp. salt
• 1 package (8 squares) Semi-sweet chocolate, chopped, divided
• 1 package (6 squares) Premium white chocolate chopped, divided
• 1 C. chopped walnuts, divided

Heat oven to 350 degrees F. Beat margarine, sugar, egg and vanilla until light and fluffy. Mix in flour, baking soda and salt. Stir in ½ of the semi-sweet and white chocolates and ½ C. of the walnuts. Spread in greased foil-lined 9 inch square baking pan. Bake 25 minutes or until toothpick inserted in center comes out almost clean. Sprinkle with remaining semi-sweet and white chocolates. Cover with foil. Let stand 5 minutes or until chocolates are melted. Swirl chocolates with small knife to marbleize. Sprinkle with remaining ½ C. walnuts. Cool in pan until chocolate is firm. Cut into bars.

Makes 3 dozen.