Step 1

In a bowl, combine the soy sauce, sweet chilli, sesame oil, garlic, chilli flakes and oyster sauce. Add beef, turning to coat, then allow to marinate for 10 minutes.

Step 2

Meanwhile, prepare the noodles according to packet instructions, adding the snow peas and sugar snaps for the final 2 minutes of cooking. Drain, then refresh under cold water.

Step 3

Heat the sunflower oil in a wok over medium-high heat. Add the beef and marinade, then stir-fry for 6-8 minutes until cooked through. Add the noodles and peas and toss for 1 minute until combined, then add the mushrooms and toss for 1 minute or until mushrooms are tender and warmed through. Divide among bowls, then serve topped with spring onion and black sesame seeds, if desired.