400g caster sugar
400ml tonic water
4 tbsp gin
zest and juice 1 lime, plus extra slices to freeze
zest 1 lemon, juice of half, plus extra slices to freeze
1 egg white
Put the sugar in a pan with 400ml water and warm over a low heat until dissolved. Increase the heat and boil for 1 min. Remove from the heat and allow to cool slightly.
Pour the tonic water into a bowl, add the sugar syrup, then chill in the fridge until cold.Once the tonic mix is cold, add the gin, lime and lemon zests and juice, and pour into a container, then freeze until just frozen – this will take about 2 hrs.
Remove the just-
Pour the mix back into your container and freeze until solid. Freeze extra slices of lemons and limes on a tray until solid. Serve the sorbet scooped into glasses or small bowls topped with lemon and lime slices