Yogurt mousse with cherry and pomegranate granita

This is a happy marriage of two perfect summer desserts – the light and tangy yogurt mousse just needs a bit of fruit to complete it; the granita made with the last of the cherries and the first of the pomegranates is refreshing and flavourful enough to have on its own. Together they are a beautiful-looking and delicious dessert, and exactly what you want on a hot day. We use mahleb in this recipe, a bittersweet spice that complements the flavours so well; replace it with vanilla if