For the beef marinade
01 -
10 oz (285 g) flank steak, sliced 1/8 inch thick across the grain
02 -
1 tablespoon light soy sauce
03 -
1 tablespoon Shaoxing wine or dry sherry
04 -
1 teaspoon cornstarch
05 -
1 teaspoon toasted sesame oil
06 -
1/4 teaspoon ground white pepper
07 -
1/8 teaspoon baking soda, optional for extra tenderness
For the sauce
08 -
2 tablespoons light soy sauce
09 -
1 tablespoon dark soy sauce
10 -
1 tablespoon oyster sauce
11 -
1 teaspoon sugar
12 -
2 tablespoons water
For the stir-fry
13 -
14 oz (400 g) fresh wide rice noodles, gently separated
14 -
3 tablespoons neutral oil, divided
15 -
2 cloves garlic, minced
16 -
2 teaspoons fresh ginger, finely minced
17 -
1/2 medium yellow onion, thinly sliced
18 -
2 cups (140 g) mung bean sprouts, rinsed and drained
19 -
4 scallions, cut into 2-inch pieces
20 -
Salt, to taste