Marinate the chicken pieces in the marinade ingredients for one hour or overnight.
Grease an ovenproof dish with butter.
Tear the pita breads into pieces and line the dish; keep balance pieces aside.
Remove the chicken pieces from the marinade and place on the pita bread.
To the remaining marinade add 1/4 cup olive oil,sliced onions,coriander leaves, sumac,walnuts and salt to taste. Toss together and layer it on the chicken legs.
Cover with the remaining pita pieces and bake in a preheated oven @ 180 degree centigrade for 40 minutes.
If the bread gets too much colour, cover the dish with aluminium foil.
Remove and serve warm.
Crush the crisp pita pieces and garnish on the chicken for added texture.
