Chocolate Marshmallow Brownies
["1 c. butter or margarine", "10 heaping tsp. cocoa", "4 eggs", "2 c. sugar", "2 tsp. vanilla", "1 1/2 c. sifted flour", "2 c. chopped nuts", "1/2 tsp. baking powder"]
["Melt butter and chocolate.", "Cool; beat eggs.", "Add sugar, chocolate and butter mixture.", "Add vanilla, nuts and flour with baking powder.", "Pour into greased 9 x 13-inch pan.", "Bake at 350\u00b0 for 25 to 30 minutes.", "Remove from oven.", "Pour a large jar of marshmallow cream over hot brownies.", "Place under broiler until lightly browned (2 to 3 minutes).", "Cool and top with chocolate icing."]
["butter", "cocoa", "eggs", "sugar", "vanilla", "flour", "nuts", "baking powder"]