01 -
In a food processor or blender, combine the parsley, cilantro, oregano, and garlic. Pulse until finely chopped. Add the olive oil, red wine vinegar, lemon juice, salt, black pepper, and red pepper flakes. Pulse until well combined and herbs are finely chopped. Set aside.
02 -
Remove the steaks from the refrigerator and let them sit at room temperature for about 30 minutes before grilling. Pat the steaks dry with paper towels and rub both sides with olive oil. Season generously with salt and freshly ground black pepper.
03 -
Preheat your grill to high heat (about 450°F / 230°C). Place the steaks on the preheated grill and cook for about 4-5 minutes per side for medium-rare (internal temperature of 135°F / 57°C), or until they reach your desired level of doneness.
04 -
Remove the steaks from the grill and let them rest for about 5 minutes to allow the juices to redistribute. Slice the ribeye steaks against the grain, or serve them whole. Drizzle a generous amount of chimichurri sauce over the steaks, or serve the sauce on the side for dipping.