Bone the chicken and cut flesh into
bite-size pieces. Reserve bones for stock. Put chicken
into a heatproof bowl or other deep dish. Add tomatoes cut into
thin wedges, scallions finely sliced and ginger cut into thin strips.
Add seasonings and oil and mix thoroughly. Put the dish in a pan
with water to come almost halfway up the dish. Cover and steam
for 25 - 35 minutes or until chicken is tender. Serve with rice.