Steps
1. Season the steak with salt and pepper on both sides.
2. In a pan, heat olive oil over medium heat.
3. Add the sliced onions and cook until they turn golden brown and caramelized.
4. Remove the onions from the pan and set aside.
5. In the same pan, sear the steak to your desired doneness.
6. Serve the steak topped with the caramelized onions.