Meatloaf should be cooked for about an hour in the oven. The cooking time depends on the type of meat that is used to make the meatloaf.
Classic meatloaf is a combination of ground beef, ground pork and a number of spices. Breadcrumbs and vegetables, such as green onion and celery, are often included in the loaf. Chicken meatloaf should be cooked for about an hour, covered with foil. After the hour is up, the foil should be removed and the meatloaf should be cooked for about 15 minutes more. Turkey meatloaf should be baked for an hour and a half.