Recipes from The Inglenook Cookbook by The Sisters of the Brethren Church (1906)
SHORTCAKES AND PUDDINGS
PRUNE WHIP
Cook 1/2 pound of choice prunes until dry and tender. Remove the stones and mash the fruit. Add 1/2 cup sugar, 1/2 teaspoonful cream of tartar, and the well-beaten whites of 5 eggs. Bake in a moderate oven 20 minutes. Serve either warm or cold with cream.