Wash 2 lemons, grate the peel. Bring 500 ml water, sugar, lemon peel and strawberries to the boil while stirring. Puree the strawberries and let them cool down. Squeeze all lemons. Beat the egg white until stiff.
Mix strawberry puree, lemon juice and beaten egg white. Freeze for about 1 hour. Stir well, freeze for another 30 minutes and stir. Shape the sorbet into balls with a small ice cream scoop. Put 1-2 scoops into pre-cooled glasses and fill up with sparkling wine or Prosecco
With eight glasses: