01 -
Slice the beef against the grain into 0.5 cm (1/4 inch) thick slices or 1-cm (1/2 inch) sticks. In a small bowl, combine beef with soy sauce, peanut oil, cornstarch, and baking soda if using. Mix gently by hand until all slices are evenly coated. Marinate for 10 minutes while preparing other ingredients.
02 -
In a medium-sized bowl, combine chicken stock, soy sauce, dark soy sauce, brown sugar, and cornstarch. Stir well until fully incorporated and set aside.
03 -
Add 60ml (1/4 cup) water to a large nonstick skillet over medium-high heat. When water begins to boil, add broccoli florets and cover. Steam until broccoli is just tender and water evaporates, about 1 minute. Transfer broccoli to a plate and wipe the pan dry if needed.
04 -
Heat oil in the same skillet over medium-high heat until hot. Spread marinated beef in a single layer and cook undisturbed for 30 seconds until bottom is browned. Flip and cook the other side for a few seconds. Continue stir-frying until surface is lightly charred while interior remains slightly pink.
05 -
Add minced garlic and ginger to the pan with the beef. Stir quickly for a few seconds to release their fragrance.
06 -
Return steamed broccoli to the pan. Stir the sauce mixture again to ensure cornstarch is fully dissolved, then pour into the skillet. Cook while stirring until sauce thickens, about 1 minute. Immediately transfer to a serving plate.