The combination of mandarin oranges, pineapple, and cake is absolutely ... 9-inch round cakes to make it a layer cake. For extra sweetness, you can mix coconut flakes into the topping.
Top with pineapple, mandarin oranges, fresh raspberries, granola, and macadamia nuts. Sprinkle with coconut flakes and enjoy! Keep parfaits in refrigerator until ready to serve, best served cold.