Mix soft fat, sugar, one egg, salt and vanilla sugar with the dough hook of the hand mixer. Mix the flour and baking powder, place it on the egg-fat mixture and knead it with your hands to a crumbled dough.
Grease five ovenproof moulds (10-12 cm Ø). Put some crumbles aside. Spread the rest of the crumbles in the moulds and press them down. Bake in the preheated oven (electric: 200°C/ gas: level 3) for about 15 minutes.
In the meantime, mix the remaining eggs and sour cream. Remove the ramekins from the oven, place three apricot halves in each ramekin, pour the custard over them and bake again at the same temperature for 15 minutes.
Take the ramekins out of the oven, let them cool down and serve.