This roasted vegetable lasagna is a delicious twist on the classic Italian dish. Layers of roasted zucchini, bell peppers, eggplant, and spinach are combined with a creamy ricotta and mozzarella cheese mixture. The lasagna is then baked to perfection, resulting in a flavorful and satisfying meal. The roasted vegetables add a depth of flavor and a slightly smoky taste to the dish, making it a great option for vegetarians and veggie lovers alike.