1.Rinse chicken under cold running water pat dry with absorbent paper. Using kitchen scissors, cut along both sides of the backbone; discard backbone. Place chicken, skin-side up, on a chopping board. Using the heel of your hand, press down on the breastbone to flatten. Insert a metal skewer through the thigh and opposite wing of the chicken to keep it flat. Repeat with the other thigh and wing. Place chicken in a large shallow dish.
2.Combined remaining ingredients in a small jug; pour mixture over chicken. Cover; refrigerate 3 hours or overnight.
3.Drain chicken; reserve marinade.
4.Heat a covered barbecue. Place chicken on an oiled wire rack over a disposable baking dish; pour over reserved marinade. Cook chicken in covered barbecue, using indirect heat, following manufacturer’s instructions, 1¼ hours or until browned and cooked through, brushing occasionally with pan juices during cooking.
Serve with a green saladNote