Complete this meal with your favorite tossed salad and crusty Italian bread.
To prepare ahead of time, cover unbaked lasagna tightly with foil and refrigerate no longer than 24 hours. About 1 1/2 hours before serving, heat oven to 350ºF. Bake covered 45 minutes. Uncover and bake 15 to 20 minutes longer or until hot and bubbly. Sprinkle with additional mozzarella cheese. Let stand 15 minutes before cutting.