Ingredients
For the Beef:
- 1 lb beef sirloin, thinly sliced
- 2 tbsp soy sauce
- 1 tbsp cornstarch
- 1 tbsp vegetable oil
For the Lo Mein:
- 8 oz lo mein noodles or spaghetti
- 2 tbsp vegetable oil
- 1 onion, thinly sliced
- 2 cloves garlic, minced
- 1 cup sliced carrots
- 1 cup sliced bell peppers (red, green, or yellow)
- 1 cup broccoli florets
- 1 cup snow peas
- ¼ cup soy sauce
- 2 tbsp oyster sauce
- 1 tsp sesame oil
- ¼ cup beef broth
- 1 tbsp cornstarch mixed with 1 tbsp water (slurry)
- Green onions, chopped (for garnish)
- Sesame seeds (optional, for garnish)
Instructions
- Marinate the Beef:
- In a bowl, toss the thinly sliced beef with soy sauce and cornstarch until well coated.
- Set aside to marinate for 10-15 minutes.
- Cook the Noodles:
- Prepare the lo mein noodles or spaghetti according to the package instructions. Drain and set aside.
- Stir-Fry the Beef:
- Heat 1 tbsp vegetable oil in a large skillet or wok over medium-high heat.
- Add the marinated beef and stir-fry until browned and cooked through, about 4-5 minutes.
- Remove the beef from the skillet and set aside.
- Sauté the Vegetables:
- In the same skillet, add the remaining 1 tbsp of vegetable oil.
- Sauté the onion, garlic, carrots, bell peppers, broccoli, and snow peas until tender-crisp, about 5-7 minutes.
- Combine Beef and Vegetables:
- Return the cooked beef to the skillet with the vegetables.
- Prepare the Sauce:
- In a small bowl, mix soy sauce, oyster sauce, sesame oil, and beef broth.
- Pour the sauce over the beef and vegetables, stirring to coat evenly.
- Thicken the Sauce:
- Add the cornstarch slurry to the skillet.
- Cook for 1-2 minutes, stirring constantly, until the sauce thickens.
- Add the Noodles:
- Toss the cooked lo mein noodles or spaghetti into the skillet.
- Mix everything together until the noodles are evenly coated with the sauce.
- Garnish and Serve:
- Garnish with chopped green onions and sesame seeds if desired.
- Serve hot and enjoy!
Prep Time: 15 minutes
Cook Time: 20 minutes
Total Time: 35 minutes
Servings: 4