Michael Symon's Grilled Skirt Steak~ 1 1/2-2 pound Skirt Steak ( or Flank; Hanger; Beef Heart), 1 cup Balsamic Vinegar, 1/3 cup Brown Sugar, 2 Garlic cloves (smashed), 2 sprigs of Rosemary, 1 teaspoons Chili Flake, Olive Oil, Salt and Pepper
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