Take the turkey out of the oven, turn back the foil and drain off any surplus juices from the tin into a jug or bowl.
How to cook a turkey overnight in a gas oven. Place the turkey in the oven (at 400°) and roast for 30 minutes. If it isn’t there, leave it in the oven until it gets close. Do not stuff the bird (that's not negotiable).
Remove the turkey from its packaging. Web prep time 30 minutes cook time 10 hours total time 10 hours 30 minutes jump to faqs jump to recipe this post may contain affiliate links. Cover the roaster and cook at 400 degrees for 30 minutes.
Reduce the oven temperature to 160c/fan 140c/gas 3.continue to roast for 3½ hours, basting from time to time. Combine salt, black pepper, and cayenne pepper in a small bowl. Drizzle the liquid over the bird first, allowing most of it to drip down the turkey and to the base of the pan under the rack.
Cooked overnight in the oven. Remove the turkey from the oven and baste all over with the cooking juices. Preheat oven to 325° f.
With a butter knife, loosen the turkey skin around the breast. Leave inner string netting on the roast. Place onion, celery, and carrot in a large, shallow roasting pan.
Wash turkey thoroughly and empty the neck and carcass cavities. Pat the turkey dry with a paper towel. Web take a bottle of olive oil and drizzle a small stream across the skin on the breast of the turkey and some on the thighs and legs.