1. 1. Slice the beef into thin strips.

2. 2. Heat oil in a pan and stir-fry the beef until browned.

3. 3. Add vegetables like bell peppers, broccoli, and carrots to the pan.

4. 4. Mix soy sauce, ginger, and garlic in a bowl and pour over the beef and vegetables.

5. 5. Cook until the vegetables are tender-crisp.

6. 6. Serve hot over rice or noodles.