Ingredients
1 package white cake mix (regular size)1 cup cola2 large eggs, room temperature1/2 cup buttermilk1/2 cup butter, melted1/4 cup baking cocoa1 teaspoon vanilla extract1-1/2 cups miniature marshmallowsFUDGE FROSTING:1/4 cup baking cocoa1/2 cup butter, cubed1/3 cup cola4 cups confectioners’ sugar1 cup chopped pecans, toasted
Preparation
In a large bowl, combine the first seven ingredients; beat on low speed for 30 seconds. Beat on medium for 2 minutes. Fold in marshmallows.
Pour into a greased 13x9-in. baking pan. Bake at 350° for 35-40 minutes or until a toothpick inserted in the center comes out clean. Cool on a wire rack for 15 minutes.
Meanwhile, for frosting, combine cocoa and butter in a small saucepan. Cook over low heat until butter is melted. Stir in cola until blended. Bring to a boil, stirring constantly. Remove from the heat; stir in confectioners’ sugar until smooth. Fold in pecans. Spread over cake. Let stand for 20 minutes before cutting.
