Creating your own Easy Beef and Broccoli is simple if you follow these steps:

1. Marinate the Beef: In a bowl, combine the sliced flank steak with soy sauce, cornstarch, and a little water. Let it marinate for at least 10 minutes.
2. Prepare the Broccoli: Bring a small pot of water to a boil and blanch the broccoli florets for about 2 minutes. Drain and set aside.
3. Make the Sauce: In a small bowl, mix together the soy sauce, oyster sauce, brown sugar, sesame oil, salt, and pepper. Adjust the seasoning to taste.
4. Stir-Fry the Beef: Heat the vegetable oil in a large skillet or wok over medium-high heat. Add the marinated beef and cook until browned, about 3-4 minutes.
5. Add Garlic: Stir in the minced garlic and cook for an additional minute until fragrant.
6. Combine Adventure: Add the blanched broccoli to the skillet, followed by the sauce mixture. Toss everything together for 2-3 minutes until coated and heated through.
7. Thicken the Sauce: If you prefer a thicker sauce, mix cornstarch with a tablespoon of water, and add it to the skillet. Stir until thickened.
8. Serve: Remove from heat and serve hot over cooked rice or noodles.

Following these easy steps will lead you to a flavorful and fulfilling meal that replicates the restaurant experience right in your kitchen.