how long do you cook a 4.5 pound roast beef
At 350oF, you should roast a whole (thawed)chicken for  20 minutes per pound, plus 15 more minutes. If stuffed, cook the  chicken for an additional 15 minutes.   So â¦ for a 4.5 lb stuffed chicken, you should cook it for 2 hours.oasting times. Preheat your oven to 160Â°C (325Â°F) and use these cooking times to prepare a roast that's moist, tender and delicious.Your roast should be covered with foil for the first half of the roasting time.