Add the canned lychees and syrup to a blender and blitz until smooth. Pour into a Creami tub with the dry vermouth. Stir, cover and transfer to the freezer for 24 hours, or until frozen through.
When ready to serve, pour 60ml (2fl oz/¼ cup) vodka into the tub and churn on FULL, FROZEN DRINK in your Creami. Don’t be tempted to add more alcohol before chur