cream the butter,suger,and cocoa together untill well blended.
Add the eggs,one at a time,beating well after each one.stir in the flour,nuts,and vinilla untill well blended.Spead the batter evenly in an 8-inch square greased pan.Bake at 350 dagrease f. for 20 minutes. Remove from the oven,then cover the top with a single layer of minuture marshmellows.Reture the bars to the oven and cool completly.frost the bars with this icing: 1/4cup,butter or margarine 1/4cup,cocoa 1/4cup,evaporated milk 1 cup,powdered sugerBeat untill smooth,and spead over Marshmellow Dreams.