4 chicken breasts (skinned and boned)

Marinade
  finely grated rind of 1 orange
  finely grated rind of 1 lemon
  2 tablespoons olive oil
  2 tablespoons honey
  2 tablespoons chopped fresh mint (optional)
  1/4 teaspoon ground cumin
  salt and pepper
  4+ tablespoons orange/lemon juice

Cut chiken into cubes
mix marinade together add chicken, let stand for as long as possible (2 hours is good, 5 mins still seems to work)
Thread chickn onto skewers, broil or barbecue over low heat for 15 minutes
basting with the remaining marinade
turn frequently