01 -
1/2 cup unsalted butter, room temperature.
02 -
1/2 cup butter-flavored shortening.
03 -
1 egg, room temperature.
04 -
3 tablespoons buttermilk.
05 -
1/2 teaspoon distilled white vinegar.
06 -
2 teaspoons red food coloring.
07 -
2 1/4 cups all-purpose flour.
08 -
1/4 cup unsweetened cocoa powder.
09 -
1/4 teaspoon salt.
10 -
1 cup powdered sugar.
11 -
1/4 cup unsalted butter, melted (for coating).
12 -
1 1/2 cups powdered sugar, sifted (for coating).