Pfefferpotthast is the definitive Dortmund dish — a medieval beef stew heavily seasoned with black pepper and spices, slow-cooked until the meat falls apart and the sauce reduces to something dark and intense. The name means roughly "pepper pot" in the old Dortmund dialect, and recipes for the dish appear in city records from as early as the thirteenth century, when Dortmund was a significant trading centre with access to Eastern spices.
The best versions are made with beef short rib or brisket, onions, capers, and enough pepper to leave a genuine warmth. Several traditional Gaststätten (pub-restaurants) in the city still serve it, typically with Pumpernickel bread or boiled potatoes. Look for it on menus at Zum Alten Markt on the Alter Markt and at Pfefferkorn in the Kreuzviertel district. It is a dish that rewards the cold grey months of the Ruhr winter.