Boil the noodles in plenty of water till al dente. Drain and run under tap water. Add 1 tbsp. oil and mix well. Keep aside.
Heat 1 tsp. oil in a pan / wok and break an egg. Scramble well by adding a pinch of salt. Keep aside. Heat remaining oil and fry the garlic, followed by the onions.
Saute for a few seconds. Then add the prawns and mushrooms. Fry for a minute.
Add the boiled noodles and combine everything well.
Now add the salt, sauce, bok choy, bean sprouts and the scrambled egg. Toss well. Sprinkle some water if the noodles turns dry. Serve, garnished with spring onion.
