Prep Station → Separate cabbage leaves, slice mushrooms, mince beans/garlic/ginger—arrange everything within arm’s reach of your wok.
Soak Mushrooms → If dried, rehydrate in warm water 10 min; squeeze dry and slice.
Heat Wok → Blast over high flame until smoking; swirl in neutral oil to coat.
Black Bean Sizzle → Toss in minced black beans and scallion whites—stir-fry 20 seconds until aromatic.
Mushroom Moment → Add shiitakes; spread in one layer and let sear 1 minute undisturbed.
Aroma Boost → Push mushrooms aside; add garlic and ginger—stir-fry 15 seconds until golden.
Cabbage Cascade → Layer Napa leaves starting with thick cores; toss 1 minute until bright green.
Sauce Splash → Drizzle Shaoxing wine around edges; add oyster sauce and soy—toss to coat.
Glossy Finish → Stir cornstarch slurry; pour in and toss 30 seconds until sauce clings silkily.
Fresh Crown → Remove from heat; scatter scallion greens and optional sesame seeds—serve immediately.