
Place all ingredients except oil in a food processor. Whizz until parsley is finely chopped, but not pureed. Alternatively chop parsley by hand.
Transfer into a small bowl. Add oil, gently stir. Set aside for 1 hour before use, overnight is even better!
Store in an airtight container in the refrigerator and use within 3 days.
Take steak out of the fridge 30 minutes prior to cooking.
Heat BBQ or heavy based skillet over high heat until smoking.
Sprinkle each side of steak generously with salt and pepper.
Add steak and cook to your liking.
Cook times: for medium rare, 2 min on each side; for medium, 2.5 min each side.
Transfer to a plate, cover loosely with foil and rest for 5 - 10 minutes.
Cut thin slices against the grain and serve with Chimichurri Sauce on the side.