Mettenden (also known as Knackwurst, Knockwurst, Knacken, or Bauernknacken) refers to a German short, stumpy pre-cooked sausage made out of finely ground pork, beef and fresh pork fat. It is flavored with salt, cumin and garlic. They are usually sold in long links or pairs. It is eaten bes with with sauerkraut and pea soup.