Question: how long to cook 2 stouffer lasagna?
Answer:  Preheat to 400°F.
 Remove aluminum lid. Bend lid slightly then place lid on tray so it is elevated over lasagna.
 Place tray on baking sheet, center rack. Cook Frozen: 1 HOUR 40 MINUTES (Thawed*: 55 MINUTES)
 Remove lid last 5 minutes.
 Carefully remove from oven. Let stand 15 minutes.