how long do you cook frozen lasagna
If you have a store bought frozen lasagna, check the directions on the package for cooking time. If it is a homemade lasagna, cook it at 375 degrees for about 45 minutes. Then cover with foil and cook another 14 minutes until it is heated through.
Frozen lasagna can be heated in the microwave or the oven. If heated in the oven it is usually cooked for 45 minutes at 350 degrees.