how long to cook 10 pound frozen turkey?
['Heat the oven to 325°F. ... ', 'Place the turkey in the roasting pan: Unwrap the turkey and place it on top of a roasting rack inside a roasting pan. ... ', 'Roast for 2 1/2 hours. ... ', 'Check the temperature: This temperature check is just to get a reference point for how quickly the turkey is cooking.']