This Thermomix recipe for hazelnut and caramel cake is a rich and indulgent dessert that is perfect for special occasions. The cake is made with ground hazelnuts and almond flour, and is topped with a decadent caramel sauce. The result is a moist and flavorful cake that is both sweet and nutty. Serve it with a scoop of vanilla ice cream or a drizzle of caramel sauce for a truly indulgent dessert.