Prune butter frosting -(recipe below) Sift together flour, sugar, baking powder, baking soda, salt and spices into large bowl of electric mixer. Add shortening, prune juice and milk. Beat with electric mixer for 1- half minutes on slow or medium speed. Scrape bowl and beaters; mix well. Add eggs and vanilla. Beat for 1- half minutes more on slow or medium speed. Scrape and mix again. Stir once around bowl with spoon. Pour batter into two 20 cm layer cake pans which have been greased and floured. Bake in a 180ºC . oven for 25 to 30 minutes. Frost with Prune Butter Frosting. PRUNE BUTTER FROSTING: 6 Tablespoon butter or margarine 3 cups confectioners' sugar, sifted 0.75 tsp lemon juice 4 to 4- half Tablespoon prune juice 1 tsp grated lemon rind salt, dash half cup prunes, cut-up, cooked, well-drained 2 Tablespoon chopped nuts Cream butter or margarine in large bowl of electric mixer. Add sugar alternately with juices; beat until well blended. Add grated rind and salt. Beat until frosting is of good spreading consistency. Fold in prunes and nuts. This cake and frosting will freeze.