Prune Whip

Ingredients:
- 1 1/3 cups pitted prunes
- 1/3 cup water
- 1/3 cup white sugar
- 1 teaspoon lemon juice
- 1 teaspoon vanilla extract
- 6 egg whites
- 1/4 teaspoon cream of tartar

Directions:
- In a medium saucepan, simmer the prunes in water until soft, drain and puree. Combine the puree in a saucepan with the sugar and heat until the sugar dissolves. Add the lemon juice and vanilla.
- Beat the egg whites until frothy, add the cream of tarter, and beat until stiff. Fold the prune puree into the egg whites.
- Pour into a buttered and sugared 2 quart baking dish and bake in a preheated 300 degrees F (150 degrees C) oven until nicely browned. Refrigerate and serve chilled with whipping cream.