Sort and wash the blueberries. Whip cream with 2 tbsp. icing sugar until stiff. Mix yoghurt, lemon juice and 2 tablespoons icing sugar. Puree approx. 2/3 blueberries finely, add to yoghurt and stir in. Fold in 2 portions of cream.
Freeze yoghurt in a bowl for about 4 hours. Stir well after each approx. 30 minutes. Select the raspberries. Sort and wash the blackberries. Wash and clean the strawberries and cut them into smaller pieces according to size. Sprinkle prepared fruits and remaining blueberries with sugar and chill.
Form frozen yoghurt into ice cream scoops and serve with the fruit.