Indulge in a comforting and flavorful vegetable lasagna. This recipe layers lasagna noodles with a medley of sautéed vegetables, such as zucchini, bell peppers, spinach, and mushrooms. The vegetables are cooked in a rich tomato sauce and layered with creamy ricotta and mozzarella cheese. Baked to perfection, this vegetarian lasagna is a crowd-pleasing dish that even meat lovers will enjoy.