Mix the cream, sugar, vanilla sugar and eggs well. Mix flour and baking powder, sift if necessary and stir in with salt and lemon zest. Put the dough on a prepared baking sheet.
Wash or clean the fruit and cut into bite-sized pieces if necessary. Sprinkle on the dough.
Bake in the preheated oven at 200 ° C for about 15 minutes until the cake is lightly browned.
In the meantime, mix the softened butter with sugar, vanilla sugar, milk and almonds for the topping. Then distribute the mixture evenly on the cake. Bake for another 15 minutes at the same temperature until the topping is golden yellow.