Bring the milk with the vanilla pod and a pinch of salt to the boil. Sprinkle in the semolina while stirring, soak and let cool.
Beat the butter and sugar until frothy and add the egg yolks. Stir in the cooled semolina, tablespoon at a time. Beat egg whites until stiff. Finally, fold in the baking powder, egg whites and drained gooseberries (save the juice).
Sprinkle a greased baking dish with breadcrumbs and pour in the mixture. Sprinkle with flakes of butter, sprinkle with hazelnuts or flaked almonds.
Bake in a preheated oven at 200 ° C for about 40 minutes.