Festive Prune Cake
["1 yellow cake mix", "2 eggs", "1 c. sugar", "1/2 c. buttermilk", "2 Tbsp. butter", "1 c. cooked, chopped prunes", "1 Tbsp. vanilla"]
["Bake cake in 3 layers following box directions. Cool.", "Combine the remaining ingredients, except vanilla and cook until thick. Add vanilla. Cool slightly. Spread filling between layers. Frost with caramel frosting and garnish with plumped prunes."]
["yellow cake", "eggs", "sugar", "buttermilk", "butter", "prunes", "vanilla"]