This coconut raspberry mousse cake is a tropical dessert that is perfect for a summer day. The cake is made with a coconut sponge cake, layered with a creamy raspberry mousse, and topped with fresh raspberries. The mousse is made with fresh raspberries, whipped cream, and gelatin, giving it a light and airy texture. The coconut sponge cake adds a tropical flavor to the cake, making it a perfect dessert for a summer barbecue or picnic.