Chinese Dumplings
["2 cups nappa cabbage, sliced, packed", "1/2 lb. ground pork", "2 Tbsp. soy sauce", "1 Tbsp. dry sherry", "2 tsp. cornstarch", "1 1/2 tsp. gingerroot, peeled, minced", "1 green onion, minced", "36 wonton-skin wrappers, (3 1/2 by 3 1/4-inch (3/4 12-ounce package)*", "1 large egg white, beaten", "Green onions for garnish", "Soy Dipping Sauce (See Below)"]
["Heat, in 1 inch boiling water, heat cabbage to boiling.", "Cook cabbage 1 minute; drain.", "Immediately run cold water over cabbage to cool.", "With hands, squeeze as much water out of cabbage as possible.", "Finely chop cabbage."]
["cabbage", "ground pork", "soy sauce", "sherry", "cornstarch", "gingerroot", "green onion", "wrappers", "egg white", "Green onions"]