Sift together:

2 c. sugar
2 c. flour

Bring to a boil:

2 sticks butter
1 c. coke
3 tbsp. cocoa

After it begins to boil, add flour mixture. Mix thoroughly.

Mix together:

2 beaten eggs
1/2 c. buttermilk
1 tsp. vanilla
1 tsp. baking soda

Add to cake mixture and mix well. Add 1 1/2 cups miniature marshmallows. Bake in greased and floured 9x13 pan. Bake 30-40 minutes at 350. While baking, mix frosting and frost while still hot.

COCA COLA FROSTING:

Melt together:

6 tbsp. coke
1 stick butter
3 tbsp. cocoa

Bring to boil and boil about 30 seconds. Pour over 1 pound sifted powdered sugar. Beat well and add 1 teaspoon vanilla and 1 cup broken pecan pieces. Pour over cake.