Make incisions in the chicken flesh and rub
with the garlic. Place the chicken in a large
shallow bowl. Mix the tandoori powder with the
yogurt and toss the chicken into the mixture.
Place in the refrigerator to marinate for 3
grill to moderate. Remove the chicken from the
marinade and place on the grill rack. Grill for
about 20 minutes, turning frequently and basting
with the marinade.
Transfer the chicken
to a heated serving dish, garnish with onion
slices and lemon and serve immediately.