* Rinse and pit the plums.
* Stir 30 grams of sugar, cinnamon, half a packet of vanilla sugar and juice of one lemon, mix with the plums and infuse the whole thing for about half an hour.
* Separate the eggs, mix the yolks with the semolina, the remaining sugar and the vanilla pudding, vanilla sugar, baking powder and curd.
* Beat the egg whites until stiff and fold in carefully.
* Loosely mix two-thirds of the plums into the batter and pour the whole into a buttered gratin dish.
* Spread the remaining plums evenly over the batter.
* Sprinkle with the breadcrumbs and butter flakes.
* Bake at 180 °C for about 70 minutes.