Cake:
1 box white cake mix
4 T unsweetened cocoa powder
8 T (one stick) melted butter
1 cup cola
1/2 cup buttermilk
2 eggs
1 t vanilla
1 1/2 cups mini marshmallows
Grease or spray a 9 by 13 pan. Preheat oven to 350 degrees. Place all ingredients, except marshmallows, in mixing bowl. Mix at medium until well blended. Fold in marshmallows. Pour into pan and bake for about 40 minutes, or until toothpick comes out clean. Cool for 15 minutes before frosting. (Cake should still be warm)
Frosting:
8 T (one stick) butter
4 T unsweetened cocoa powder
1/3 cup cola
4 cups sifted powdered sugar
1 cup Chopped Pecans (optional)
Place powdered sugar in large bowl. Melt butter over low heat. Stir in cola and cocoa powder. Bring mixture to a boil, stirring constantly, then remove from heat. Pour into powdered sugar and mix until smooth. Pour over cake and spread to cover. Cool completely before serving.
