Balsamic Marinated Skirt Steak

1/2  cup  balsamic vinegar

1/4  cup  olive oil

3    rosemary sprigs

3  cloves  garlic, thinly sliced

1 1/2  pounds  skirt steak

    coarse salt and freshly ground pepper

Directions:
1. Combine balsamic vinegar, olive oil, rosemary, and garlic in a glass or plastic dish, and stir to combine. Add skirt steak, and coat well with marinade. Cover, and refrigerate for at least 30 minutes, and up to 2 hours.

2. Preheat broiler or grill. Remove steak from marinade, and transfer to a rimmed baking sheet. Season meat generously with salt and pepper on both sides. Place under broiler or on grill, and cook about 3 minutes, turn over, and cook for 3 minutes more for medium rare.

3. Transfer to a cutting board to rest for 5 to 10 minutes. Slice thinly across the grain, and serve.