Stir in the oyster sauce and cook for 2–3 minutes. Add about half of the reserved broccoli cooking water and crumble in half of the chicken stock cube. Bring to a simmer and then add the sesame oil.
This tastes best when made with minced chicken leg ... Put the soy sauce, fish sauce and oyster sauce in a small bowl and stir until the ingredients are combined. Place a wok over a high flame ...
Pour the fish sauce down the side of the wok, so that it pools beneath the chicken, and allow it to cook undisturbed for 1 minute, until caramelised. Add the oyster sauce, soy sauce, sugar and ...