1 tin condensed milk, cold
3 cups whipped cream
1 tin blueberry
2 egg whites, stiffly beaten with 1 oz icing sugar
Few drops of vanilla essence

Method:

• Liquidise the blueberries in a blender.
• In the condensed milk fold in the cream, blueberries, vanilla essence and stiffly beaten egg whites.
• Mix lightly.
• Freeze for eight to ten hours in an airtight container until firm.