Ingredients:
For the Steak Marinade:
1 lb flank steak, thinly sliced against the grain
2 tablespoons soy sauce
1 tablespoon cornstarch
1 tablespoon vegetable oil
For the Stir-Fry:
2 tablespoons vegetable oil
1 large onion, thinly sliced
1 bell pepper, thinly sliced (any color)
1 green bell pepper, thinly sliced
3 cloves garlic, minced
1 tablespoon ginger, minced
1/2 cup beef broth
2 tablespoons soy sauce
1 tablespoon oyster sauce
1 tablespoon hoisin sauce
1 tablespoon rice vinegar
1 teaspoon sugar
1 tablespoon cornstarch mixed with 2 tablespoons water (cornstarch slurry)
1/4 teaspoon black pepper
1/4 teaspoon red pepper flakes (optional, for extra heat)
Cooked white rice or steamed rice, for serving
Instructions:
Marinate the Steak:
In a medium bowl, combine the soy sauce, cornstarch, and vegetable oil. Add the thinly sliced flank steak and toss to coat. Let marinate for at least 15 minutes.
Prepare the Stir-Fry Sauce:
In a small bowl, whisk together the bee