The traditional Wiener schnitzel is made of veal. It is now often made of pork. When made of pork, it is often called "Schnitzel Wiener Art" in Germany. In Austria, by law it has to be called "Wiener Schnitzel vom Schwein" to show it is different it from the original. In Austria and Germany, the term "Wiener Schnitzel" is protected by law. Any schnitzel called by that name has to be made from veal. 