01 -
Preheat oven to 350°F. Grease a 9×13 inch baking dish with butter or oil, dust with flour.
02 -
In a stand mixer bowl, combine chocolate cake mix and Dr. Pepper Cherry. Mix at medium speed for 2–3 minutes until well combined.
03 -
Drain maraschino cherries, reserving the juice. Set aside 24 whole cherries for garnish; cut remaining cherries in half and gently fold into the cake batter.
04 -
Pour the batter into the prepared dish. Bake for 30–35 minutes or until a toothpick inserted in the center emerges clean. Do not overbake.
05 -
Allow the cake to cool completely before frosting to prevent the frosting from melting.
06 -
In a clean mixing bowl, beat softened butter until light and fluffy, about 3–4 minutes. Gradually add powdered sugar, mixing on low. Add 3–4 tablespoons maraschino cherry juice and beat until smooth and stiff. Adjust consistency with additional sugar if needed.
07 -
Using an offset spatula, evenly spread the cherry frosting over the cooled cake.
08 -
Sprinkle chocolate shavings over the frosting and evenly arrange the reserved whole cherries on top. Refrigerate cake for 1 hour to set frosting before slicing.