Step 1

Combine oyster sauce and sweet chilli sauce in a jug. Place noodles in a large, heatproof bowl. Cover with boiling water. Stand for 1 minute. Drain. Separate noodles and set aside.

Step 2

Heat a wok over high heat until hot. Add 2 teaspoons peanut oil and swirl to coat. Add half the chicken and stir-fry for 2 to 3 minutes or until just cooked through. Transfer to a plate. Repeat with 2 teaspoons peanut oil and remaining chicken.

Step 3

Add remaining peanut oil to wok. Add asparagus, chilli, garlic and sesame oil. Stir-fry for 2 minutes. Add noodles, bok choy stems, chicken and combined sauces. Stir-fry for 1 minute or until heated through. Add bok choy leaves. Stir-fry for 15 seconds or until leaves wilted. Serve.