For the dough base:
350 g wheat flour
60 g sugar
Some Vanilla pulp or vanilla sugar
180 ml milk, lukewarm
1 egg
30 g yeast, fresh
Some salt
60 g butter, liquid
Some lemon zest, grated
For the topping:
1.5 kg plums, pitted
Some cinnamon for dusting
For the crumble:
300 g flour
200 g sugar
1 Tablespoon(s) vanilla sugar
1 Teaspoon(s) cinnamon
200 g butter, cold, in pieces