CAKE: Mix oil, sugar and buttermilk well. Sift flour, soda, salt and spices together. add sifted ingredients to the first mixture. Add eggs, pecans, prune, and vanilla. Mix well, and pour into prepared pans. )Either a tube pan or 2 loaf pans). Bake at 350~F for about 50 minutes. Reduce cooking time if using a tube pan. ICING: Cook to softball stage in a large pan. Pour over cake about 5 minutes BEFORE removing from oven. ----