Ingredients
Scale
For the Beef
- 1 pound (450 g) flank steak or sirloin, thinly sliced against the grain
- 1 tablespoon soy sauce
- 1 tablespoon cornstarch
- 1 teaspoon vegetable oil
For the Sauce
- 3 tablespoons soy sauce
- 2 tablespoons oyster sauce
- 1 tablespoon dark soy sauce (optional)
- 1 tablespoon brown sugar
- 1 teaspoon freshly ground black pepper
- ½ teaspoon coarse black pepper
- ¼ cup beef broth or water
- 1 teaspoon cornstarch
For the Stir-Fry
- 2 tablespoons vegetable oil
- 1 medium onion, sliced
- 1 green bell pepper, sliced
- 1 red bell pepper, sliced
- 3 garlic cloves, minced
- 1 teaspoon grated fresh ginger
Instructions
- Marinate the beef with soy sauce, cornstarch, and vegetable oil for 15 minutes.
- Whisk together all of the sauce ingredients until smooth.
- Heat oil in a wok or skillet and sear the beef until browned. Remove and set aside.
- Stir-fry the onion and bell peppers until slightly tender. Add the garlic and ginger and cook until fragrant.
- Return the beef to the pan, pour in the sauce, and cook until the sauce thickens and evenly coats the beef and vegetables.
- Serve immediately over steamed rice or noodles.
Notes
- Slice the beef as thinly as possible for the most tender results.
- Freshly cracked black pepper provides the best flavor.
- Cook over high heat for a classic stir-fry texture.
- Feel free to add broccoli, mushrooms, or snap peas for extra vegetables.
- Leftovers make an excellent next-day lunch.
- Prep Time: 15 minutes
- Cook Time: 10 minutes
- Category: Dinner
- Method: Stovetop
- Cuisine: Chinese-American
Nutrition
- Serving Size: 4 servings
- Calories: 385 calories per serving