Cake:
2 cups flour
2 cups sugar
2 sticks butter
2 TB cocoa powder
1 cup Coca-Cola
½ cup buttermilk
2 eggs, beaten
1 tsp baking soda
1 tsp vanilla
1 ½ cups mini marshmallows
Combine flour and sugar in a mixing bowl. In a saucepan, heat butter, Coca-Cola and cocoa to boil. Pour over sugar and flour mixture. Then add buttermilk, eggs, baking soda, vanilla and marshmallows to make a thin batter. Pour into a greased 9x12 pan and bake at 350 degrees for about 35 minutes. Remove from oven and spread with icing while hot.
Icing:
1 stick butter
2 TB cocoa powder
6 TB Coca-Cola
1 lb powdered sugar
1 cup chopped nuts
Combine ingredients in a saucepan and heat to a boil. Pour hot icing over cake and spread to cover evenly.