Chocolate Hazelnut Cake is a rich and indulgent dessert that combines the flavors of chocolate and hazelnut. This cake is moist and tender, with a deep chocolate flavor and a subtle nuttiness from the hazelnuts. The cake layers are filled and frosted with a creamy and smooth chocolate hazelnut buttercream, adding an extra layer of decadence. Topped with chopped hazelnuts and a drizzle of chocolate ganache, this cake is a showstopper that will impress any chocolate lover.