This slow-cooker cod with tomato-balsamic jam is a delicious and easy-to-make dish. The cod is cooked to perfection in a flavorful tomato and balsamic jam, resulting in tender and flaky fish with a sweet and tangy glaze. The slow-cooker method allows the flavors to meld together, creating a rich and satisfying meal. Serve this dish with a side of steamed vegetables or a fresh salad for a complete and healthy dinner.