1 c. Coke
2 sticks butter
2 tbsp. cocoa
2 c. flour
2 c. sugar
1/2 c. buttermilk
2 eggs
1 tsp. baking soda
1 tsp. vanilla
1/2 tsp. salt
1 1/2 c. sm. marshmallows

Combine Coke, butter and cocoa in small saucepan; boil. Mix flour, sugar and marshmallows in mixing bowl. Pour Coke mixture over flour mixture. Stir together until blended. Stir soda and buttermilk together. Add to mixing bowl. Stir in eggs, salt and vanilla. Grease and flour 9x13 inch pan. Bake at 375 degrees for 30-40 minutes.

ICING:

6 tbsp. Coke
2 tbsp. cocoa
1 stick butter
1 tsp. vanilla
1 box powdered sugar

Boil Coke, cocoa, butter and vanilla. Pour over sugar and mix well. While still warm and pourable, pour over warm cake. Icing will seep into holes in cake.