Soak the beans with bay leaf in 500 ml of water overnight, then simmer for about 1 hour. Drain, collect water. Remove the bay leaf. Puree the beans together with 7 tablespoons of the cooking water. Finely dice the onions and garlic, sauté in the oil, then stew the thyme briefly at the end. Stir the bean puree and stock into the onions. Divide the mixture, season half with tomato paste, sweet paprika, rose paprika and cayenne pepper. Season the other half with marjoram, mace, allspice, cardamom and black pepper.