how long does it take a whole chicken to cook
â¢Roast whole (thawed) chickens for 20 minutes per pound, plus an additional 15 minutes. â¢Preheat oven to 450 degrees F (230 degrees C) and cook whole (thawed) chicken for 10-15 minutes. â¢Then reduce the temperature to 350 degrees F (175 degrees C) and roast for 20 minutes per pound. (Do not add the extra 15 minutes to the cooking time as with the regular method.)
High heat method (this creates a crispy, darker skin): 1  Preheat oven to 450 degrees F (230 degrees C) and cook whole (thawed) chicken for 10-15 minutes. 2  Then reduce the temperature to 350 degrees F (175 degrees C) and roast for 20 minutes per pound.