I use this in my blog, Sunday Dinner at Jonathan's, check out the following link for the whole meal: http://sundaydinneratjonathans.wordpress.com/2014/09/15/steak-with-chimichurri-sauce/

• ⅓cup olive oil • ½ cup parsley, chopped • 1 tablespoon red wine vinegar • 1 clove garlic, chopped • ¼ teaspoon crushed red pepper • Kosher salt and black pepper • 1 ½ lbs flank steak

1. In a small bowl, combine olive oil, parsley, vinegar, garlic, red pepper, pepper, and ½ teaspoon salt, set aside 2. Season steak with ½ - to ¾ teaspoon salt and ¼ to ½ teaspoon pepper 3. Grill steak to desired liking. Let rest 5 minutes before slicing 4. Slice the steak. Plate all sides and top steak with sauce