Process the fish fillets in a food processor.
Add the egg, cornflour, fish sauce, curry paste, chilli and coriander, and process until combined.
Transfer the mixture to a bowl and add the beans and spring onions. Mix well.
Form mixture into large patties using a spoon or wet hands.
Heat the oil in a large frying pan.
Fry patties and turn when golden brown. Remove when cooked and drain.
Serve with sweet chilli sauce.
