Coconut Bliss Cake

Ingredients

• 2 1/2 cups cake flour
• 1 tablespoon baking powder
• 1 teaspoon salt
• 5 egg whites
• 3/4 cup (1 1/2 sticks) unsalted butter, softened
• 1 1/2 cups granulated sugar
• 1 teaspoon vanilla extract
• 1 can (13.5 ounces) unsweetened coconut milk
• None
• 1 cup granulated sugar
• 4 egg whites
• 1 cup (2 sticks) unsalted butter, cubed and softened
• 2 cups coconut flakes, for assembly
• 10 ounces high-quality semisweet chocolate, chips or chopped
• 4 tablespoons (1/2 stick) unsalted butter
• 1 tablespoon light corn syrup