For the soup with parmesan dumplings, first make the parmesan dumplings. Cream the butter and stir in the egg. Then add the cheese, breadcrumbs, flour, salt and pepper.
Let the mixture rest and add breadcrumbs if it is too soft. Form dumplings from the mixture and put them into boiling salted water. Simmer for about 10 minutes. Strain the dumplings and rinse with cold water.
Serve the Parmesan dumplings with beef broth and sprinkle with chives.