For the recipe “Schinkenfleckerln” cook the “Fleckerln” in salted water until al dente, strain and rinse with cold water. Cream the butter with yolks and add the sour cream. Beat the egg whites with a pinch of salt until stiff and fold into the mixture. Mix with the cooked dumplings and ham. Season with pepper and nutmeg. Fill into a buttered and with breadcrumbs strewn form, sprinkle the Schinkenfleckerln with Parmesan and bake in the preheated oven at 180 ° C for about 40 minutes until golden brown.