Cacciucco is a traditional Tuscan fish stew that originated in Livorno, a coastal city in Tuscany. The stew is made with a variety of seafood such as fish, shellfish, and crustaceans, cooked in a rich tomato-based broth flavored with garlic, onions, and herbs. Cacciucco is typically served with toasted bread to soak up the flavorful broth. It is a hearty and satisfying dish that is perfect for seafood lovers.