Ginger-Scallion Sauce is very popular in Hong Kong, southern China (Cantonese) and New York City. In Vietnam they add some fish sauce to the basic recipe listed below. All three sauces are good as a dipping sauce for White-Chopped or Soy Sauce-Chopped Chicken. Often the chicken is placed on top of a bed of white rice and the sauce poured on top of the chicken; most often the G-S Sauce . Or the sauce is served in a small dish on the side.