Cream shortening, sugar, then add eggs one at a time. Beat until very light and fluffy. Add flour, baking powder, and salt to creamed mixture alternately with juice. Begin with flour and end with flour. Bake at 180ºC for 30-35 minutes. Makes 2 9-inch layers. You Won't Believe It Frosting. Beat these ingredients at high speed with electric mixer for exactly 15 minutes. No more or no less. Now add and mix in two third cup of cooked pineapple. Frost cake. Cooked Pineapple. The original instructions say to put frosting in a covered dish in the refrigerator for a month. Then add the cooked mixture. No way around my house. If anyone waits a month to use it, let me know how it turned out. pat. ----