In a small bowl, combine herbes de provence, salt, and black pepper.

Rub the herb mixture evenly over the entire surface of the flank steak.

Spray a large nonstick skillet or ridged grill pan with non-stick cooking spray.

Set the skillet or grill pan over medium heat.

Place the flank steak in the hot skillet or on the grill pan.

Cook for approximately 10 minutes per side, or until an instant-read thermometer inserted into the thickest part of the steak registers 145°F for medium.

Transfer the cooked flank steak to a cutting board.

Let the steak rest for 5 minutes to allow the juices to redistribute.

Slice the steak thinly against the grain into approximately 12 slices.

Serve immediately.