Mangosteens with Lychee Granita Ice-Cream Spheres and Rose-Scented Ice Cream

Mangosteens are the ultimate tropical fruit. They are native to Southeast Asia and the ones I use are grown in far North Queensland. They have a white pearlescent flesh, a tart sweet flavour and an incredible perfume. Here they are served with a lychee granita and ice cream sphere, which is the central element of this dessert, their flavour nicely complemented by the rose-scented ice cream. The