Combine flour, sugar, cocoa, soda and salt. In a saucepan, bring the butter and Cola to a boil and then add to the dry ingredients and mix with a mixer until well incorporated. Add buttermilk, eggs, vanilla and marshmallows and continue mixing until thoroughly mixed together. This will be a very thin batter with the marshmallows floating on top. Bake in a 9 x 13 inch baking pan that has been sprayed with cooking spray in a preheated 350° oven for 45 -60 minutes until a toothpick or cake tester comes out clean when inserted in the middle of the cake.
Combine butter, cocoa and Cola in saucepan and bring to a boil. Pour over the confectioner's sugar and mix well. Add nuts and vanilla and continue mixing until blended together. Spread over cake while hot. Completely cool cake before serving.
Looking for a unique yet simple and delicious cake recipe? Then give this coca cola cake with frosting a chance and you are sure to fall in love with it. Watch Lynn as she prepares this cake and shares the recipe to make this unforgettable dessert!