Lightly dust your work surface with icing sugar, then roll out the marzipan to a 20cm/8in circle (cut around your cake tin for a neat ... Thickly swirl the icing on top of the marzipan to give ...

Then spread with a final thicker layer of buttercream using a palette knife or cake scraper to swirl the icing around to create ... sprigs of rosemary in a circle around the edge and dusting ...