Soak the beans overnight, then wash them. Put in a large pan, cover with water and boil rapidly for 5 minutes. Drain and wash them, then cut each one through the skin, making a slit in each bean on one side only. Set aside.
Cut all the meats into small chunks and put in a deep flameproof casserole with a little olive oil. Fry gently together until slightly browned, then add the herbs, t