1 (18 1/2 oz.) pkg. yellow cake mix
1 c. creamy peanut butter
1/2 c. melted butter, melted
2 eggs
1 (15 oz.) can sweetened condensed milk
2 tbsp. butter, melted
1/2 tsp. salt
1 (12 oz.) pkg. semi-sweet chocolate pieces
1 c. flaked coconut
1 c. chopped walnuts

Combine cake mix, peanut butter, 1/2 cup melted butter and eggs in a bowl. Stir until well blended. Press 2/3 mixture in bottom of ungreased 9x13x2 inch pan. Reserve remaining dough for topping.

Combine condensed milk (not evaporated), 2 tablespoons melted butter, vanilla and salt in bowl. Mix well. Stir in chocolate pieces, coconut and walnuts. Spread over first layer crumbled reserved dough evenly over filling. Bake at 350 degrees for 25-30 minutes. Cool in pan on rack.