What is a type of German sausage made from veal, beef, or pork and cooked in vinegar? 
Saure Zipfel: Saure Zipfel (lit.: sour ends) or "Blaue Zipfel" (lit.: blue ends) is a typical dish of the cuisine of Franconia and Upper Palatinate that consists of Bratwurst cooked in vinegar. Bratwurst: Bratwurst (] ) is a type of German sausage made from veal, beef, or most commonly pork.
Bratwurst