how long to roast turkey
4. Place the turkey in the oven at high temperature to sear and then lower temperature to roast. Cook at 400 degrees F for 20 to 30 minutes. Then lower the temperature to 325 degrees F to roast for the remaining time.Use your thermometer to make sure the bird is cooked!7-9 Lbs.. Place the turkey in the oven at high temperature to sear and then lower temperature to roast. Cook at 400 degrees F for 20 to 30 minutes. Then lower the temperature to 325 degrees F to roast for the remaining time. Use your thermometer to make sure the bird is cooked! 7-9 Lbs.