Method
1. Add red bell pepper, garlic clove, cilantro and fresh parsley to a clean food processor bowl
2. Blitz briefly
3. Transfer the pepper-herb mixture into a medium bowl
4. Add red wine vinegar, orange juice, olive oil and salt to the medium bowl and stir until combined
5. Add steak to a clean large resealable plastic bag
6. Transfer half of the chimichurri sauce to beef and reserve the rest
7. Marinate in fridge - approx 30 min
8. Take the steaks in the bag out of the fridge at least 30 minutes before you’re ready to cook them so as to remove some of the chill
9. Heat a cast iron pan or the grill to high heat
10. Add the steaks and sear, cooking on each side three to five minutes or until the steak reaches an internal temp of 118 to 120 for a medium rare
11. Remove the steak from the pan and let rest - 5 min
12. Slice the steak
13. Spread some of the chimichurri on top of the steak, and serve some on the side