Add steak to a large container or plastic bag.
Combine olive oil, lemon juice, balsamic, rosemary, thyme, garlic, salt, pepper, and red pepper flakes. Mix well.
Add marinate to the steak and ensure steak is coated well.
Refrigerate and marinate at least 4 hours and up to 24 hours.
When ready to cook, remove from the refrigerator for at least 30 minutes.
Preheat a cast iron skillet on medium heat. Add canola oil. Sear steak 6 minutes a side, then transfer to a plate and take temperate. For rare steak, you’re looking for 125 degrees F. Cook until desired wellness.
Let steak sit for at least 5 minutes before cutting. Serve with fresh basil.