"Tafelspitz" Is made by boiling tri-tip (beef) in water with root vegetables and spices until tender. It is a favorite dish of the viennese kitchen and commonly served with applesauce-horseradish sauce (or apfelkren) and fried potatoes, either as bratkartoffeln or as kartoffelschmarrn. Tri-tip is a cut of beef at the base of the loin, close to the back leg, is triangular in shape and can be cooked like a steak. Alternative beef cuts to use for this dish: bottom round, sirloin or rump roast.