Making Orange Beef is simple and straightforward. Follow these steps to create this incredible dish:

1. Marinate the Beef: In a bowl, combine the flank steak with half of the soy sauce, orange juice, and honey. Let it marinate for at least 15 minutes.
2. Prepare the Sauce: In a separate bowl, mix the remaining soy sauce, orange juice, orange zest, cornstarch, and red pepper flakes if using. Set aside.
3. Heat the Oil: In a large skillet or wok, heat the vegetable oil over medium-high heat.
4. Cook the Beef: Add the marinated beef to the skillet in a single layer. Cook for 3-5 minutes until browned, stirring occasionally.
5. Add Aromatics: Add the minced garlic and ginger to the skillet. Stir-fry for another minute until fragrant.
6. Pour in the Sauce: Pour the prepared sauce over the cooked beef in the skillet. Stir well to coat the beef with the sauce.
7. Thicken the Sauce: Allow the sauce to simmer for 2-3 minutes until it thickens and coats the beef nicely.
8. Garnish: Remove from heat and garnish with sliced green onions and sesame seeds.
9. Serve: Serve the Orange Beef over cooked rice or with your favorite side dishes.

With these easy steps, you’ll have an amazing Orange Beef ready to serve in no time.