For the meat dumplings in caper sauce, prepare a solid mass from the ingredients for the meat dumplings. Form small dumplings of 50 g each. Cover the meat dumplings and put them aside.
Melt the butter in a pot, add the flour and mix well. Slowly add the beef broth, stirring constantly, bring to a boil briefly, then add the capers and lemon juice and season the sauce with salt and pepper.
Add the meatballs to the sauce and cook slowly at low temperature. Arrange the meatballs in caper sauce and serve.