Put all ingredients for the dough in a bowl and work into a dough. Then spread the dough on the bottom of a springform pan (26 cm).
Put all the ingredients for the topping in a saucepan and bring to the boil while stirring. Dice the pears and add them. Make crumble from the ingredients listed.
Now distribute the topping on the dough base and sprinkle the crumble over it.
Bake the cake in a preheated oven at 180 ° C for about 50 to 60 minutes (until the crumble is golden brown).