1Whisk 10g cornstarch, 5g dark soy sauce, 20g oyster sauce, 30g soy sauce, 5g sugar, 1g pepper powder, and 30g water in a bowl to make the sauce.
3Heat 30g vegetable oil in a wok over high heat and flash-fry 15g ginger, 20g garlic, and 50g scallions for 10 seconds until fragrant.