01 -
Unsalted butter, room temperature (1/2 cup).
02 -
Butter-flavored shortening (1/2 cup).
03 -
Egg, room temperature (1).
04 -
Buttermilk (3 tablespoons).
05 -
Distilled white vinegar (1/2 teaspoon).
06 -
Red food coloring (2 teaspoons).
07 -
All-purpose flour (2 1/4 cups).
08 -
Unsweetened cocoa powder (1/4 cup).
09 -
Salt (1/4 teaspoon).
10 -
Powdered sugar (1 cup).
11 -
Unsalted butter, melted (1/4 cup for coating).
12 -
Powdered sugar, sifted (1 1/2 cups for coating).