Beat the butter for approx. 5 minutes, add the sugar and beat for another 5 minutes until creamy. Separate the eggs and gradually stir in the yolks. Mix flour with baking powder and sieve over. Fold in with a whisk, pouring in the milk. Beat the egg white until stiff and finally fold it into the dough.
Spread on a greased baking sheet (drip pan) sprinkled with breadcrumbs and cover with any fruit (plums, apricots, cherries, rhubarb, etc.).
Bake at 180 ° C top and bottom heat for approx. 30 - 40 minutes.