1. Prepare sauce, slice steak, and chop broccoli.
2. Heat oil in pan over medium heat. Season steak with salt and pepper and cook until browned, about 5-6 minutes.
3. Add broccoli to pan and cook until bright green, about 3-4 minutes.
4. Add sauce.
5. Break up noodles and add to pan. Mix well. Cook until tender, about 5-6 minutes.
6. Serve with green onions and sriracha if desired.