01 -
Set oven to 350°F (175°C). Lightly grease a 9x13 inch (23x33 cm) baking dish with oil or butter and dust with flour.
02 -
Combine chocolate cake mix and Dr. Pepper Cherry in a mixer bowl. Beat on medium speed for 2 to 3 minutes, until fully blended.
03 -
Drain maraschino cherries, reserving juice for later. Reserve 24 whole cherries for garnish, slice the remaining cherries in half, and gently fold them into the batter.
04 -
Pour the batter into the prepared baking dish. Bake for 30 to 35 minutes, or until a toothpick inserted in the center emerges clean. Do not overbake.
05 -
Allow the cake to cool fully in the pan before applying the frosting to avoid melting.
06 -
Whip softened butter in a clean mixer bowl for 3 to 4 minutes until light and fluffy.
07 -
Gradually beat in powdered sugar, starting with 3 cups. Once incorporated, increase mixer speed and continue beating for 2 to 3 minutes.
08 -
Add 3 to 4 tablespoons of reserved cherry juice. If frosting is too thin, gradually mix in up to 2 more cups of powdered sugar until smooth and thick.
09 -
Spread cherry buttercream evenly over the cooled cake using an offset spatula.
10 -
Sprinkle chocolate curls over the top and place reserved maraschino cherries in even intervals for an attractive finish.
11 -
Refrigerate the cake for at least 1 hour to set the frosting before slicing.