Ingredients

Instructions

  1. Cake:
  2. Preheat oven to 350°F.
  3. Spray a 9x13 glass pan with nonstick spray.
  4. Combine flour, granulated sugar and baking soda in mixing bowl.
  5. In a small saucepan, heat 1 cup butter, 5 tablespoons cocoa and 1 cup cola beverage to boiling. (whisk together as it melts).
  6. Pour over the flour mixture and mix thoroughly. I just use a whisk for this because it comes together so easily.
  7. Add buttermilk, eggs and vanilla. Mix well.
  8. Pour into prepared 9x13 pan.
  9. Bake for 40 minutes.
  10. During last 10 minutes of baking prepare frosting.
  11. Prepare Second Frosting:
  12. Place 5 cups confectioners' sugar in a mixing bowl.
  13. In a small saucepan, combine 1/2 cup butter, 3 tablespoons cocoa powder and 9 tablespoons cola beverage. Whisk together. Heat to boiling.
  14. Remove from heat, stir in 1 teaspoon vanilla.
  15. Pour over 4 cups confectioners' sugar.
  16. Mix well with a whisk.
  17. Assembly:
  18. Remove cake from oven.
  19. Immediately frost with marshmallow cream. Go slow. This will prevent tearing the cake. As the fluff warms a bit it will spread easily.
  20. Slowly pour warm coco-cola frosting over marshmallow fluff.
  21. It's best to let this cake cool for about an hour before cutting into it.