Preheat grill, grill pan or broiler to a high heat.

Season flank steak with salt and pepper.

Place flank steak on grill and cook 4-6 minutes per side to desired doneness. Medium rare is best.

Slather with BBQ sauce during the last minute or two per side. Allow the sauce to get a nice caramelized appearance.

Remove from heat and cover with foil fro 10-15 minutes.

To serve thinly slice at an angle across the meat and pass the extra BBQ sauce.
Garnish with parsley if desired.