This coconut marble cake is perfect for anyone who loves coconut. To make this cake, you will need all-purpose flour, baking powder, salt, unsalted butter, granulated sugar, eggs, vanilla extract, milk, shredded coconut, and coconut extract. The cake batter is divided into two parts, and one part is mixed with shredded coconut and coconut extract to create the coconut batter. The two batters are then swirled together to create the marble effect. This cake is moist, tender, and has a beautiful swirl pattern. It's perfect for any occasion.