Trippa alla Fiorentina is a traditional Florentine dish made from the lining of a cow's stomach, known as tripe. The tripe is simmered in a flavorful tomato sauce with onions, carrots, celery, and herbs until tender. The result is a hearty and comforting meat dish that is often served with crusty bread or polenta. Trippa alla Fiorentina is a popular dish among locals and is a great option for those looking to try a unique and traditional Florentine meat dish.