Coconut-Vanilla Bean Cake with Coconut Meringue Buttercream Frosting

INGREDIENTS

• :
• 2¼ cups cake flour
• 1¼ cups granulated sugar
• 2 teaspoons baking powder
• ½ teaspoon kosher salt
• ¾ cup unsalted butter, at room temperature, cut into 2-inch pieces
• 6 egg whites
• 1 cup coconut milk
• 1 cup sweetened shredded coconut
• 1 vanilla bean, split in half lengthwise
• 1½ cups granulated sugar
• 1½ cups unsalted butter, at room temperature, cut into 2-inch pieces
• 1 teaspoon vanilla extract
• ¼ teaspoon kosher salt
• ⅔ cup coconut milk