Berner Würstel is a delicious Austrian sausage that is commonly found in Vienna. It is made from a mixture of pork and beef, seasoned with spices, and stuffed with cheese and bacon. The sausages are then grilled or pan-fried until cooked through and the cheese is melted. Berner Würstel is typically served with mustard and bread. It is a popular street food in Vienna and can be enjoyed at sausage stands or in traditional Austrian restaurants.