This hazelnut protein cake is made with whey protein powder, hazelnut meal, and coconut sugar. It's a delicious and healthy dessert that's perfect for anyone who wants to add more protein to their diet. The whey protein powder gives the cake a boost of protein, while the hazelnut meal adds a rich, nutty flavor. This recipe is easy to make and can be enjoyed by anyone who loves a good cake without all the added sugar and calories.