To make spring onion curls, finely shred the spring onions lengthways. Place in a bowl of iced
cold water and reserve.
Remove the heads and shells from the prawns leaving the tails intact. Split the prawns almost in
two to form a butterfly shape and individually remove the black thread that runs down the back of
In a large pan heat the stock with the lime rind and juice, fish sauce, chilli and soy sauce.
Bruise the lemon grass by crushing it along its length with a rolling pin, then add to the stock
When the stock mixture is boiling add the prawns and cook until they are pink. Remove the lemon
grass and add the rice vinegar and coriander.