Place oil, parsley, Frank's RedHot Sauce, lime juice, Worcestershire, oregano and garlic in container of blender or food processor. Cover and process until well blended. Reserve 2/3 cup sauce mixture.

Place steak into large resealable plastic food storage bag. Pour remaining sauce mixture over steak. Seal bag and marinate in refrigerator 30 minutes.

Grill steak over high heat 10 minutes per side for medium rare or to desired doneness. (Discard any leftover marinade from bag.) Let steak stand 5 minutes. Slice steak diagonnaly. Serve with reserved sauce mixture.