Cook the noodles, broccoli and corn in boiling water for 3-4 mins, or until tender. Drain and set aside. Heat the oil in a large frying pan or wok and fry the pepper for 3 mins, until starting to soften.
Tip in the noodles and vegetables along with the prawns and toss together. Add the sauce ingredients and heat everything through for 2-3 mins, until piping hot.