Sauerkraut apples and white wine are added in popular variations. Traditionally it is served warm, with pork (e.g. "eisbein", "schweinshaxe", "Kassler") or sausages (smoked or fried sausages, "Frankfurter Würstchen", Vienna sausages, black pudding), accompanied typically by roasted or steamed potatoes or dumplings ("knödel" or "schupfnudel"). Similar recipes are common in other Central European cuisines. The Czech national dish "vepřo knedlo zelo" consists of roast pork with "knedliky" and sauerkraut. In France, sauerkraut is the main ingredient of the Alsatian meal "choucroute garnie" (French for "dressed sauerkraut"), sauerkraut with sausages (Strasbourg sausages, smoked Morteau or Montbéliard sausages), charcuterie (bacon, ham, etc.), and
Rød pølse spices (ground mustard seed, onions and sugar may also be added). Water, lard, pork rind, potato starch flour and soybean or milk protein are often added as fillers. Nearly all commercially available sausages are industrially precooked to be subsequently fried or heated in boiling water. In Norway, sausages are most often served in white buns, or in a traditional flat bread. The sausages are grilled or warmed in hot water, and they are normally served with ketchup or mustard. An alternative condiment to the sausages may be mashed potatoes. In Iceland, the sausages may contain mutton, giving them a distinct