Follow these simple steps to create an amazing Beef and Broccoli Lo Mein:

1. Cook Noodles: Bring a large pot of salted water to a boil. Add lo mein noodles and cook according to package instructions until al dente. Drain and set aside.

2. Marinate Beef: In a bowl, combine sliced flank steak with soy sauce, cornstarch, and a pinch of salt and pepper. Let it marinate while you prepare the vegetables.

3. Prepare Vegetables: In a separate bowl, toss together broccoli florets and sliced bell pepper. Set aside.

4. Heat Oil: In a large skillet or wok, heat vegetable oil over medium-high heat.

5. Cook Beef: When the oil is hot, add the marinated beef to the pan. Stir-fry the beef for about 3-4 minutes until browned and almost cooked through. Remove from the pan and set aside.

6. Stir-Fry Vegetables: In the same pan, add minced garlic and ginger, stirring for about 30 seconds until fragrant. Add the broccoli and bell pepper, and stir-fry for about 3 minutes until tender but still crisp.

7. Combine Ingredients: Return the beef to the pan with the vegetables. Stir in the beef broth and oyster sauce, blending everything together. Allow it to cook for another 2-3 minutes.

8. Add Noodles: Gently fold in the cooked lo mein noodles, tossing everything together until well combined.

9. Season to Taste: Adjust seasoning as needed with additional soy sauce, salt, or pepper.

10. Garnish and Serve: Transfer Beef and Broccoli Lo Mein to a serving platter, and garnish with chopped green onions and sesame seeds if desired.

By following these steps, you’ll create an incredible dish that will surely impress everyone at your table.