Mix one package Duncan Hines original brownie mix according to directions, except use 2 eggs and bake for only 20 minutes. Cover with miniature marshmallows and put back in the oven for 2-3 minutes. Pour topping over the cake immediately.

Topping: 1 stick butter (melted), 4 tablespoons cocoa, and 5 tablespoons milk. Stir and let come to a boil. Add 1 box confectioners' sugar, 1 teaspoon vanilla, and nuts (optional).