Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   9      ounces        boneless pork -- (250g) lean and fat
   1      teaspoon      salt. or to taste
   1      teaspoon      scallions -- chopped
   9      ounces        chinese cabbage -- ( bok choy), (250g)
     1/2  teaspoon      fresh ginger -- chopped
   2                    egg whites
     1/4  teaspoon      pepper
   2      teaspoons     flour
   4      tablespoons   cornstarch 9cornflour) dissolved in 4
   1      tablespoon    water
   7      fluid ounces  meat or bone stock -- (200ml)
     1/4  teaspoon      msg -- (optional)

Preparation:

1.Mince the pork and mix with the scallions, ginger, ground peppercorn, 3/4 tsp. of the salt, and the dissolved cornstarch. Set aside. 2.Trim and discard the tough outer leaves of the cabbage. Wash the tender inner leaves and blanch briefly in boiling water, removing immediately. Drain and let cool 3.Mix the egg whites and flour into a batter. Spread the inner side of each cabbage leaf thinly with the batter and then the filling. Roll the leaves into cylinders about 1 inch(2 cm ) in diameter and seal the openings with the egg batter. Repeat until all the filling has been used. 4.Place the rolls in heat-proof deep dish or tureen and steam over high heat for 15 minutes. remove and cool. Cut the rolls into 1 inch (2 cm) sections and steam again until the pork is thoroughly cooked. 5.Heat the stock to boiling. Add the MSG (optional) and the remaining 1/4 tsp. salt. Pour the stock over the cabbage rolls and serve.