Heat the vegetable oil in a wok or large frying pan
until very hot. Add the frozen vegetables, fry for 3
or 4 minutes, stirring frequently. Add the prawns,
garlic and coriander and cook for a further minute.
Add the soya sauce and sesame oil, stir well and cook
for 1 minute. Serve immediately on a bed of piping
hot rice or noodles.