Preheat the oven to 375°file. Assemble the lasagna: in the 9x13-inch casserole or lasagna dish, ladle a cup of sauce and spread it in excess of The underside of the dish. organize a single layer of lasagna noodles lengthwise (about three lengthy noodles, the sides may possibly overlap, dependant upon your pan) in excess of the sauce. Ladle a third