Ingredients

The following ingredients have 12 Servings
  • 1/2 cup unsalted butter, softened to room temperature
  • 3/4 cup granulated sugar
  • 2 large eggs, separated
  • 1 1/4 cups all-purpose flour
  • 1 Tbsp cornstarch
  • 1 Tbsp cocoa powder
  • 1 1/4 tsp baking powder
  • 1/4 tsp baking soda
  • 1/4 tsp salt
  • 1/2 cup buttermilk
  • 1/2 tsp distilled white vinegar or apple cider vinegar
  • 1 1/2 tsp vanilla extract
  • 1/4 cup sour cream
  • 1 Tbsp red food coloring, liquid
  • 1/2 cup unsalted butter, softened to room temperature
  • 8 oz cream cheese (brick style), softened to room temperature
  • 2 - 2 1/2 cups powdered sugar
  • 1 tsp vanilla extract
  • salt, to taste

Instruction

  • Preheat the oven to 350 degrees and line a 12-cup muffin tin with cupcake liners.