Mississippi Mud Bars - cooking recipe

Ingredients

1/2 c. butter
3/4 c. firmly packed brown sugar
1 egg
1 tsp. vanilla
1 c. flour
1/2 tsp. baking soda
1/4 tsp. salt
1 (8 sq.) pack Baker's semi-sweet chocolate, chopped and divided
1 (6 sq.) pack Premium white chocolate, chopped and divided
1 c. chopped walnuts, divided

Preparation

Heat oven to 350\u00b0.
Beat butter, sugar, egg and vanilla until light and fluffy.
Mix in flour, baking soda and salt. Stir in half of the semi-sweet, half of the white chocolate and half of the walnuts.
Spread in greased foil lined 9-inch square baking pan. Bake 25 minutes or until toothpick comes out almost clean. Sprinkle with remaining chocolates. Cover with foil and let stand 5 minutes. Swirl melted chocolates with knife to marbleize. Sprinkle with remaining nuts. Cool and cut into bars.