1cup frozen blueberries
1 cup frozen raspberries
2 teaspoon of lemon juice
3/4 cup of sugar
2 cups (about 350 grs.) plain yogurt
1/2 cup of heavy cream
In a blender or other processor grind the blueberries,raspberries,yogurt , lemon and sugar,mix well.
Stir in the heavy cream until completely incorporated.
Process the ice cream in your Ice Cream maker acording to manufacturers instructions (usually about 25 minutes)
Serve immediately (it will be soft) or let it firm up a bit for more freezing.( by 1 hour more)
If you dont have an Ice cream maker, place the mix in a large metal dish and freeze about 2 hours, and then beat and freeze again by 1 hour more.
When you serve the Ice cream you can add some blueberries and mix.