Drain the salmon. Remove skin and bones, if desired and break into large chunks. Set aside
Put the egg noodles into a heatproof bowl and pour over enough boiling water to cover. Leave to soak for 6 minutes
Mix together the orange juice, honey, vinegar, soy sauce, tomato ketchup and cornflour in a small jug
Heat the stir-fry oil or vegetable oil in a wok or large frying pan. Add the vegetables and stir-fry for two or three minutes. Drain the noodles thoroughly and add them to the vegetables. Stir the orange juice mixture and add to the wok. Stir and cook for another two or three minutes until piping hot and slightly thickened
Just before serving, stir the salmon chunks and cashew nuts through the mixture. Serve, sprinkled with sesame seeds