Clean and trim Flank Steak. Marinate at least 3 minutes in Olive Oil and Lemon Zest & Lemon Juice.
Blackening Dry Rub
In mixing bowl place Paprika, Onion Powder, Garlic Powder, Oregano, Thyme, Cayenne Pepper, Salt and Pepper and mix well.
Coat marinated meat with dry rub and let rest for 20 minutes.
Place meat on hot grill and cook for 3-4 minutes on each side or until desired doneness. Let rest 10 minutes before slicing. Serve with fresh lime wedges.