Light Berry Mousse
1- Put the berries into a food processor with the sugar and blend together untill smooth. Press through a sieve to remove the pips.
2- Stir in the Greek yougurt. Whisk the egg whites to soft peaks and fold into the yogurt/berry mixture.
3- Spoon into 4 glasses. Chill for 1-2 hours. Serve topped with a redcurrant sprig.