Roll out the pastry onto a greased baking sheet. FOR THE FRUIT TOPPING: peel and core the apples and cut into slices or quarters (if the apples are very large divide into eighths). If plums are used, rub them clean and then stone. Distribute the fruit evenly over the pastry. lay plums with the insides upwards. fold a piece of greased paper a number of times and lay it against the pastry at the open side of the baking sheet. OVEN: pre-heat for 5 minutes at very hot, bake at moderately hot. BAKING TIME: 15-25 min. After baking, when the cake has cooled somewhat, sprinkle with sugar.