Cut the dried plums in half, bring to the boil briefly with the port wine. Remove from the heat, cover and leave to stand for about 1 hour. Roll out marzipan on a work surface dusted with icing sugar to a thickness of 3-4 mm. Cut out about 34 circles (6 cm Ø). Wrap 1 plum half in each circle. Melt the chocolate coating in a warm water bath.
Put icing sugar and cocoa powder on a deep plate each. Dip the marzipan plums into the chocolate coating with a fork and allow to drain. Roll in the icing sugar or cocoa. Leave to set in the refrigerator. Results in about 34 pieces