Cut off and discard the small tip of each wing. Cut main wing at joint. Combine first 8 ingredients and stir until dissolved.
Pour over chicken and marinate overnight. Be sure sauce overs all pieces. Drain and save marinade.
In large skillet, heat a small amount of oil and brown chicken on all sides over medium. When brown, add 1/2 cup marinade; cover; reduce heat and simmer 15-20 minutes.
Stir and add more marinade if necessary. May be cooked a day in advance and reheated in oven before serving. Add marinade to moisten before heating.
Serve hot in a chafing dish. Sprinkle with toasted sesame seeds if desired.