Balsamic Grilled Flank Steak

1 1/4 pounds flank steak

1/4 C. balsamic vinegar

1 tsp. salt

2 C. cherry tomatoes, halved

1/4 C. basil leaves, roughly torn

Combine steak, vinegar and salt in a large ziplock bag. Let stand 15 minutes at room temperature.  While steak is marinating, preheat grill to high and oil grates. Grill marinated steak, covered if using a gas grill, turning once, 7 to 10 minutes total for medium rare, depending on thickness.  Transfer steak to a cutting board. Cover loosely with foil and let stand for 10 minutes. Slice steak into 4 portions, place on a platter and pour juices over. Scatter with tomatoes and basil and serve.