Prepare rub by mixing spices and sugar together in small bowl.
Coat both sides of chicken with olive oil and spice mixture.
Lightly grease roasting tin or baking tray surface and place chicken back side down. Roast for 50 to 60 minutes or until internal temperature reaches 165 F. Remove from oven, tent with a bowl, and allow to rest for 20 to 30 minutes before serving.