Cook the noodles following the pack instructions.
Toss the chicken with the cornflour and some seasoning.
Heat 1 tbsp oil in a non-stick wok or large frying pan and stir-fry the chicken until golden.
Scoop the chicken out, then add the veg to the pan, keeping back some spring onion, and toss for a couple of minutes.
Add back the chicken and the lemon, honey and chilli sauce, plus a splash of water, and bubble for a few minutes until you have a sauce.
Toss with the noodles and sprinkle over the remaining spring onion to serve.