2 cups sugar
2 cups flour
1 cup butter or margarine
3 tablespoons cocoa
1 cup Coca-Cola
1 teaspoon baking soda
1/2 cup buttermilk
2 eggs, beaten
1 teaspoon vanilla
1-1/2 cups miniature marshmallows (optional)

Sift sugar and flour together. Boil butter, cocoa, and Coca-Cola. Pour over flour and sugar. Dissolve soda in buttermilk and pour in with the above ingredients. Then add the eggs, vanilla and marshmallows. Pour into a greased 13x9x2-inch pan and bake in a 350 degree preheated oven for about 45 minutes.

ICING
1/2 cup butter or margarine
3 tablespoons cocoa
6 tablespoon Coca-Cola
1 box confectioner's sugar
1 teaspoon vanilla
1 cup chopped pecans

Bring to boil the butter, cocoa, and Coca-Cola. Add the sugar, vanilla and pecans. Pour over cake in the pan while the icing is hot.