This hazelnut and caramel cake is a delicious and indulgent dessert that is perfect for special occasions. The cake is made with ground hazelnuts and caramel sauce, giving it a nutty and sweet flavor. To make the cake, you will need hazelnuts, flour, sugar, eggs, butter, baking powder, caramel sauce, and vanilla extract. This cake is perfect for those who want to indulge in a rich and decadent dessert.