Black Plum Mousse

Soak the black plums in cold water and cook for about 7 minutes or until they become soft

Drain, remove the pits, chop well, and process through a food mill or blender

Reserve 1 cup of plum puree

Add half of the sugar and lemon juice, and cook for a few minutes or until it thickens

Let it cool

Beat the egg whites until frothy

Add the remaining sugar to the egg mixture, beating until firm

Mix with plum puree and spoon into individual servings

Refrigerate

To serve, distribute natural yogurt among the servings

Garnish with 6 sprigs.