Old-Fashioned Cupcakes

Ingredients

• 1 1/2 cups plus 2 tablespoons cake flour
• 1 1/2 teaspoons baking powder
• 1/2 teaspoon salt
• 12 tablespoons (1 1/2 sticks) unsalted butter, softened
• 1 1/4 cups sugar
• 3 large eggs, broken into a small bowl
• 1/4 cup plus 2 tablespoons freshly squeezed orange juice, from 3 large oranges
• 1 tablespoon orange zest, from 1 large orange
• 1/4 teaspoon orange extract
• 1 teaspoon pure vanilla extract
• 1/4 cup full-fat sour cream
• 12 tablespoons (1 1/2 sticks) unsalted butter, softened
• 4 1/2 cups confectioners' sugar, sifted through a strainer
• 1/4 cup plus 2 tablespoons whiskey, such as Jack Daniel's
• 9 dashes Angostura bitters
• 3/4 teaspoon orange extract
• 1/2 teaspoon orange zest
• 1/4 to 1/2 cup whiskey, such as Jack Daniel's
• Orange Sawdust (recipe follows)
• 2 tablespoons sugar
• 1/2 teaspoon grated orange zest