Five simple steps for how to cover your cake in marzipan and royal ... for a 18cm/7in round cake or a thin covering on 18cm/7in square cakes and 20cm/8in round cakes. Place the cake on a foil ...

Grease a 20cm/8inch round or an 18cm/7inch square cake tin and line the bottom ... and then place the marzipan on top and around the cake. Cover the cake with a clean tea towel and then leave ...