The Sauce : Pour oil in a frying pan and add the slices of meat and onions. Cook it until the onions turn into yellow colour. Put some spices, tomatoes, beans and 3 cups of water. Let it cook for 1/2 hr. under low temperature. Add the vegetables and water as needed and keep turning the mixture for a few minutes. Leave it cook for the meat to be soft. While making the sauce add the cuscus and a spoon of oil and a little salt. Steam it till it done. Serve the cusucs with some sauce pour on it.