Coke Cake

• 
  1 cup butter, softened
  2 cups flour
  1 3/4 cup sugar
  3 tablespoons cocoa
  1 teaspoon baking soda
  1 teaspoon vanilla
  2 eggs
  1/2 cup buttermilk
  1 cup cola
  1 1/2 cups miniature marshmallows
  
  Combine butter, flour, sugar, cocoa, baking soda, vanilla, eggs and buttermilk. Add cola, blend well and stir in marshmallows by hand.
  Pour into a greased pan and bake at 350. for 30-40 minutes.
  
  Cool for 30 minutes, then frost with Cola Frosting.
  
  
  Cola Frosting:
  
  1/2 cup butter
  3 tablespoons cocoa
  1/3 cup cola
  4 cups powdered sugar