Take a springform and grease it with additional margarine and some flour and roll out the dough into it. On the edge, you roll the dough roughly 5cm high so that you have some kind of dough bowl in the spring form. Then you peel the apples, remove the seeds and slice them into slim slices. Those slices you pile thne into the dough bowl and cover it with the applepuree. In the end, the crumble the streusel dough over the case.