Pork Balls in Clear Broth, Sichuan Style

Pork Balls in Clear Broth, Sichuan Style
9 oz (250 g) lean and far pork1 oz (25 g) golden needles, soaked in hot water1 egg, beaten1/2 tsp scallions, chopped2 oz (50 g) Chinese cabbage hearts, coarsely 1/2 tsp 1/2 tsp ginger, chopped2 tbsp cornstarch (cornflour) dissolved in 2 tbsp water 2 …