→ Beef
01 - 1 pound flank steak, thinly sliced against the grain
→ Marinade
02 - 2 tablespoons soy sauce
03 - 1 tablespoon Shaoxing wine or dry sherry
04 - 1 teaspoon cornstarch
05 - 1/2 teaspoon freshly ground black pepper
→ Vegetables
06 - 1 large onion, sliced into thin wedges
07 - 1 red bell pepper, sliced into strips
08 - 1 green bell pepper, sliced into strips
09 - 2 cloves garlic, minced
10 - 1-inch piece fresh ginger, peeled and minced
→ Sauce
11 - 2 tablespoons soy sauce
12 - 1 tablespoon oyster sauce
13 - 1 tablespoon hoisin sauce
14 - 1 teaspoon sugar
15 - 1/2 cup low-sodium beef broth
16 - 1 teaspoon cornstarch
→ Oil & Seasoning
17 - 2 tablespoons vegetable oil
18 - Additional freshly ground black pepper to taste