This Grilled Flank Steak with Dry Rub is an easy way to make flank steak on the grill with a simple, rich mixture of spices. The rub infuses flavor into the flank steak and creates a tender steak. Slice the flank steak and top with a roasted corn salsa and serve with grilled vegetables. The perfect steak for fajitas, salads, rice bowls, steak tacos and nachos!