This roasted cod with zucchini, fennel, and onion is a delicious and healthy dish that is perfect for a light dinner. The cod is seasoned with a blend of herbs and spices, then roasted to perfection. The zucchini, fennel, and onion add a flavorful and colorful touch to the dish. This recipe is easy to make and can be ready in under 30 minutes. Serve the roasted cod with a side of steamed rice or a fresh salad for a complete meal.