Red Velvet Cupcakes

Name: Red Velvet Cupcakes
Ingredients: 8 tablespoons (1 stick) unsalted butter; 1 1/2 cups granulated sugar; 2 large eggs; 1 ounce liquid red food coloring (2 tablespoons); 1 tablespoon distilled white vinegar; 1 teaspoon vanilla extract; 2 1/2 cups cake flour (see Recipe Note); 3 tablespoons unsweetened cocoa powder; 1 teaspoon baking soda; 1 teaspoon kosher salt; 1 cup buttermilk; 2 sticks (8 ounces) unsalted butter; 8 ounces cream cheese; 2 teaspoons vanilla extract; 1/4 teaspoon kosher salt; 4 1/2 to 5 cups powdered sugar