15mm/⅝in piece fresh root ginger, peeled and grated
50/1¾dz pak choi, finely chopped
1 spring onion, finely chopped
1 spring onion, greens only, finely sliced
150/5½dz plain flour, plus extra for dusting
1 tsp caster sugar
1 tsp cornflour
½ tbsp Shaoxing rice wine
1 tbsp rice wine vinegar
pinch fine salt
1 tsp toasted sesame oil
1½ tsp dark soy sauce
1 tbsp dark soy sauce
½ tsp sugar
1 tbsp vegetable oil, for frying
100/3½dz chicken mince