Marinate chicken with soy sauce, cornflour and black pepper.
Cook noodles according to package directions.
Heat oil in a wok or large pan.
Add garlic and stir-fry until fragrant.
Add chicken and cook until browned.
Push chicken to one side and add eggs, scrambling them.
Add broccoli and stir-fry for a minute.
Add noodles, spinach, oyster sauce, dark soy sauce, light soy sauce, chilli crisp, brown sugar, and white pepper.
Toss everything together until well combined and glossy.
Add sliced red chilli and toss again.
