Peel and chop the onion. Peel and crush the garlic. Wash, deseed and finely slice the peppers.
Cook the noodles in a saucepan of boiling water for 4 minutes, or according to packet instructions. Drain the noodles well and set aside.
Add the oil and swirl to coat the wok, fry the mince until brown then add the onion and peppers and stir fry for 3 minutes.
Add the five-spice powder and garlic and stir fry for another minute.
Add the mangetout and stir fry for a further 2 minutes. Pour in the stock, stir well and bring to the boil.
Add the noodles to the wok and toss everything together. Heat and stir for fry 2-3 minutes until until all the ingredients are well combined. To finish add the soy sauce, black pepper and coriander leaves.