1 large gin & tonic
2 egg whites
Finely grated zest of lemon
2 tablespoons icing sugar
Whisk egg whites and sugar into a peak. Combine withgin and tonic and zest. Whisk vigorously. Put into a container and freeze.
But, during the freezing process, it is essential to whisk at intervals at least five or six times to combine the egg-white properly with the gin and tonic.
Serves 4.
