Put the strips of beef in a shallow, non metallic dish. Mix the soy sauce vinegar, honey, garlic & ginger together & pur over the beef. Cover, place in the refridgerator & marinate over night or for at least 1 hour.
Heat the oil in a wok or deep frying pan & add the sugar snap peas & mushrooms. Stir fry for 3-4 minutes, then remove vegetables with a slotted spoon & set aside.
Remove the beef from the marinade & add to the wok / pan. Stir fry for 2-3 minutes, then add the vegetables along with the marinade & spring onions to the wok.
Stir fry for 1 minute. Divide between 4 bowls, serve with noodles & scatter the sesame seeds over the top of each portion.