Cassoulet only beans, tomato sauce, sausages, and bacon. More expensive versions are likely to be cooked with goose fat and to include Toulouse sausages, lamb, goose, or duck confit. Haute cuisine versions require mixing pre-cooked roasted meats with beans that have been simmered separately with aromatic vegetables, but this runs counter to cassoulet's peasant origins. In the process of preparing the dish it is traditional to deglaze the pot from the previous cassoulet in order to give a base for the next one. This has led to stories, such as the one given by Elizabeth David, citing Anatole France, of a
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