01 -
Slice the flank steak against the grain into 0.5 cm thick slices or 1 cm sticks. Place in a bowl and add soy sauce, peanut oil, cornstarch, and optional baking soda. Mix gently to coat evenly and marinate for 10 minutes while preparing other ingredients.
02 -
In a medium bowl, whisk together chicken stock, Shaoxing wine, soy sauce, dark soy sauce, brown sugar, and cornstarch until fully combined.
03 -
Pour 60 ml water into a large nonstick skillet and heat over medium-high until boiling. Add broccoli, cover, and steam until just tender and water evaporates, about 1 minute. Remove broccoli and set aside. Wipe skillet dry if necessary.
04 -
Add peanut oil to the skillet and heat until shimmering over medium-high heat. Arrange beef in a single layer and cook undisturbed for 30 seconds to brown underside. Flip and cook briefly until lightly charred on the surface but still pink inside. Remove meat from pan temporarily if needed.
05 -
Add garlic and ginger to the skillet and stir briefly to release their fragrance.
06 -
Return broccoli to the pan. Stir sauce mixture again to dissolve cornstarch and pour into the skillet. Cook, stirring until sauce thickens and coats beef and broccoli evenly, about 1 minute. Remove from heat and serve immediately.