Instructions

1 Preheat oven to 350 degrees F (175 degrees C). Grease and flour an 8×12 inch pan.

2 In a large bowl, cream 1 cup butter and sugar. Add eggs one at a time, mixing well with each addition. Add vanilla and mix to incorporate.

3 In a separate bowl, mix flour and cocoa together, then add to the egg mixture and mix well to combine. Add nuts and combine.

4 Pour into prepared 8×12 inch pan and bake at 350 degrees F (175 degrees C) for 40 minutes. While cake is still hot, cover with marshmallows.

5 To Make Topping: In a small bowl, combine 4 tablespoons melted butter, confectioners’ sugar, 4 tablespoons cocoa and evaporated milk. Spread evenly over top of cake.