Creating Chinese Beef and Broccoli is straightforward when you follow these simple steps:

1. Prepare the Beef: Slice the flank steak thinly against the grain. In a bowl, combine the beef with 1 tablespoon of soy sauce and cornstarch. Mix well and set aside for about 10 minutes.
2. Blanch the Broccoli: Bring a pot of water to a boil. Add the broccoli florets and cook for about 2-3 minutes until bright green and tender-crisp. Drain and set aside.
3. Make the Sauce: In a small bowl, mix the remaining soy sauce, oyster sauce, and beef broth. Set aside.
4. Cook the Beef: In a large skillet or wok, heat 1 tablespoon of vegetable oil over medium-high heat. Add the marinated beef and stir-fry for 3-4 minutes until browned. Remove the beef and set aside.
5. Sauté Aromatics: In the same skillet, add minced garlic and ginger. Stir-fry for about 30 seconds until fragrant.
6. Combine Everything: Return the beef to the skillet along with the blanched broccoli. Pour the sauce over the mixture and stir to combine. Cook for an additional 2-3 minutes until everything is heated through and the sauce has thickened.
7. Season: Taste and adjust seasoning with salt and pepper if needed.
8. Serve: Remove from heat and serve hot over cooked rice.

These steps will guide you in creating this incredible dish effortlessly!