Thinly slice the onion, garlic, ginger, celery, carrot and red pepper.
Heat a little oil in a wok and stir-fry the veggies for 3 minutes.
Slice the leek and cabbage and add to the veggies, together with the soy sauce, rice wine and rice wine vinegar.
Sit-fry for about 5 minutes then add the green beans and a drop of water.
If you’re using raw prawns - add them to the wok now and stir-fry until they change colour.
If you’re using cooked prawns, stir-fry the veggies a little longer, then add the prawns, stir for a minute, cover and turn off the cooker.
Rest for 3 minutes, then serve.