Pineapple and Mandarin Orange Pudding

cream together 1/2 c margarine and 1 c sugar....add 4 eggs, one at a time. Add i tin crushed pineapple(drained) ,2 tins mandarin oranges (drained)and 6 slices cubed bread. Stir until all is coated. Put it in a greased dish and bake at 350 for 1 hour and let it rest in dish for 30 minutes to set before serving