1 c Unsalted butter
2 c Flour
1/2 c Miniature marshmallows
1 t Baking soda
1/4 c Unsweetened cocoa
2 ea Eggs, lightly beaten
1 c Coca-Cola
1/2 c Buttermilk
Combine butter & marshmallows in a med suacepan over low heat. Cook until marshmallows melt, about 7 mins. Stir in cocoa and Coca-cola. Remove from heat. Sift together sugar, flour and baking soda in a large bowl. Beat in chocolate-cola mixture on low speed. Add eggs & buttermilk. Beat til smooth, about 2 mins. Pour into buttered & floured cake pans and bake at 350 for about 40 mins.