Heat
the oil in a frying-pan. When it is hot, add the
onion and stir-fry for 30 seconds. Stir in the bean
sprouts and cabbage and stir-fry until they are
translucent.
Sprinkle over the salt and stir-fry for a further 1
1/2 minutes. Add the stock and stir-fry for 1
minute.