How Long To Cook A 12 Lb Turkey At 250 Degrees. An 18 pound turkey will take around 7 hours and for every additional 2 pounds add about 1 hour to the cooking time. It s ready when the temp reads.
No basting is necessary. Stuff your turkey with herbs lemons and onions. You have a 20 pound turkey but your cookbook only tells you how long it takes to cook a 10 pound turkey.
That way you ll know for sure if and when your turkey is ready.
Depending on the size of your guests appetites a 12 lb. The bigger the bird the worse the effect. It s ready when the temp reads. Even small pieces can be used to make soup or sandwiches.