Prune Butter is believed to be a substitute for fat in baking. To make Prune Butter, the ingredients one will need to arrange for are pitted prunes, grated lemon peel, water, ground cinnamon, honey, ground allspice and apple juice. Prune Butter is also eaten as Prune Butter Cookies, Prune Butter Lekvar, Fast Acting Prune Butter etc.