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
Kielbasa of sausages. The most common smoked Hungarian sausages are Gyulai Kolbász, Csabai Kolbász, Csemege Kolbász, Házi Kolbász, Cserkész Kolbász, lightly smoked, like Debreceni Kolbász (or Debreciner) and Lecsókolbász, a spicy sausage made specifically for serving as part of the dish Lecsó, a vegetable stew with peppers and tomatoes. Hungarian boiled sausage types are called "hurka": either liver sausage, "májas", or blood sausage, "véres". All three types of blood sausages must be ingested within 6 hours of preparation to ensure a healthy pre and post-consumption experience per Hungarian regulations. It is considered rude not to reach completion of the whole sausage