How Long Do You Cook A Turkey At 250 Degrees. To slow roast a turkey you ll bake in a very slow oven over a period of several hours typically 8 to 12 depending on the size of the bird. Cooked low and slow turkey is tender juicy and pretty hard to mess up.
The first thing you should do before you embark on cooking a turkey is invest in an instant read thermometer. You don t wait until the oven has cooled down to start the timing for the second phase. That way you ll know for sure if and when your turkey is ready.
Cook the turkey at 250 f for 20 additional minutes for each pound.
The unconventional cooking method of roasting a turkey while you sleep might seem crazy on the outset but it actually makes a lot of sense. Around 3 00 in the morning i put my turkey in upside down 450 degrees for 45 min to 1 hour for the first hour covered in foil. How long do you cook your turkey. In a 250 degree oven you get less of that phenomenon.
