How long do you cook the frozen lasagna from Omaha steak company?

Bake: Preheat oven to 350 F. Cut slit in center of film on tray. Place frozen tray on baking sheet in center of oven. Bake for about 55-60 minutes. Carefully remove film and serve. Microwave: cut small slit in center of film. Place frozen tray in microwave; cook on medium high for 9-10 minutes. Remove from microwave with oven mitts and let stand for 5 minutes. Remove film, slice and serve.