Rub the chicken all over with the Chicken mixture.
Place the Potatoes, Carrots, and Onion in a large roasting pan.
Place the chicken on top of the vegetables.
Roast for 50-60 minutes, or until the chicken is cooked through and the vegetables are tender. Internal temperature of the chicken should reach 165°F (74°C).
Let rest for 10 minutes before carving and serving.