A sliced through 'Kuvert' cake. the various layers shows clearly here. Beneath the marzipan, there is a thin unflavoured layer of whipped butter-cream to glue the thicker sponge cake. On top of the sponge cake, is a layer of strawberry jam - giving the sponge cake a brown coloration - and a thicker core layer of reddish whipped butter-cream, flavoured with strawberry.