Coffee Cake with Coffee Buttercream | Paula Deen

Ingredients

• 2¾ cups cake flour, sifted before measuring
• 2 teaspoons baking powder
• ½ teaspoon salt
• 1 teaspoon salt
• 1½ teaspoon espresso powder
• ¾ cup unsalted butter, room temperature
• 1 cup granulated white sugar
• ⅓ cup packed brown sugar
• 3 large eggs, room temperature
• ½ cup sour cream, room temperature
• 1 tablespoon vanilla extract
• ½ cup whole milk, room temperature
• ½ cup strong coffee, room temperature
• 2 cups unsalted butter, room temperature
• 8 cups powdered sugar
• 4 teaspoons vanilla extract
• 3 tablespoons whole milk, room temperature
• 1 tablespoon instant espresso powder
• ¼ teaspoon salt