One variety of a traditional Swedish sausage. Probably nothing for weight-watchers. The sausage is cured for up to a week. During this period, lactic acid fermentation takes place, rendering a sour taste. The raw unsmoked sausage may smell a little foul, but it disappears when cooked. Fry the sausages in a skillet or in the oven and serve with potatoes or cabbage in white sauce. They can also be broiled on charcoal.