Prawn & Coriander Dim Sum

sesame oil

spring onions, finely chopped

garlic, crushed

dried chilli flakes

small piece fresh ginger, finely grated

prawns, shelled, deveined and finely chopped

cornflour

soy sauce, plus extra for serving

squeeze of fresh lime juice

packet dim sum pastry, defrosted (can be bought frozen from most Asian supermarkets)

fresh coriander, roughly chopped

black pepper

cabbage leaves, for steaming