Do you want to make a special cake for a chocoholic in your life? This nutella cake will impress anyone who tries it, and nobody will guess it’s vegan. This recipe makes a vegan nutella cake with 2 layers of fluffy chocolate cake separated by a layer of nutella mousse filling. This cake is so decadent that it might just be your new favorite flavor. This nutella cake recipe makes a two-layer 8-inch cake or 9-inch cake (12-16 slices).