1 small red chilli, finely sliced
1 tsp grated fresh root ginger
2 spring onions, finely sliced
录 spring onion, finely sliced
chilli oil (optional), to serve
3 tsp cornflour
pinch salt
1 tsp sesame oil
1 tbsp soy sauce
pinch sugar
2 tbsp black vinegar
pinch white pepper
300g/10陆oz raw king prawns, peeled, deveined and roughly chopped (defrost beforehand if using frozen)