Ingredients:
- cupcakes
- cooking spray
- 10 ounce cake flour (about 2 1/2 cups)
- 3 tablespoons unsweetened cocoa
- 1 teaspoon baking soda
- 1 teaspoon baking powder
- 1 teaspoon kosher salt
- 1 1/2 cups granulated sugar
- 6 tablespoons unsalted butter, softened
- 2 large eggs
- 1 1/4 cups nonfat buttermilk
- 1 1/2 teaspoons white vinegar
- 1 1/2 teaspoons vanilla extract
- 2 tablespoons red food coloring (about 1 ounce)
- frosting
- 5 tablespoons butter, softened
- 4 teaspoons nonfat buttermilk
- 1 (8-ounce) block cream cheese, softened
- 3 1/2 cups powdered sugar (about 1 pound)
- 1 1/4 teaspoons vanilla extract