2 scallions, sliced thinly
                                  1 inch piece of ginger, peeled and minced
                                  2 cloves garlic, minced
                                  1 egg
                                  1 lb ground pork
                                  1/2 tsp salt
                                  1 tsp brown sugar
                               
                              
                                      1/4 cup soy sauce
                                      1 tsp sesame oil
                                      2 tbsp cornstarch or flour
                                      2 heads choi or about 1 lb of other greens, roughly chopped
                                      1 tbsp vinegar, any variety except white distilled
                                      2 cups chicken stock or water
                                      cilantro, sesame seeds, and chopped peanuts (optional)