Remove, and set aside. Saute onion in the same pan until tender. Return chicken to the pan, nestling down under the vegetables. Cover and simmer 20-30 minutes, turning once, until meat is done and tender. Serve over freshly cooked and buttered pasta.
English peas make a nice accompanying dish.
And the restaurant was one of the best I'd even been to. Alas, the restaurant is no more, but the marvelous old depot is still in Denison, tended by a very loving historial society.