Roasting vegetables brings out their natural sweetness and enhances their flavors. In this roasted vegetable veggie lasagna, a medley of colorful vegetables such as bell peppers, zucchini, and carrots are roasted until tender and caramelized. These roasted vegetables are then layered with lasagna noodles, a creamy béchamel sauce, and a sprinkle of Parmesan cheese. The result is a flavorful and nutritious lasagna that is sure to impress your family and friends.