Sofrito-Marinated Flank Steak

In a shallow glass dish, stir together Garlic-Pepper Sauce, red-wine vinegar, Dijon mustard, and olive oil. Add flank steak; spoon some sauce mixture over steak. Cover, and marinate 30 minutes at room temperature or up to overnight in the refrigerator.

Heat broiler; set rack 4 inches from heat. Transfer steak to a broiler pan, spooning marinade over meat. Broil, without turning, 14 to 16 minutes for medium-rare (135 degrees on an instant-read thermometer). Let stand 10 minutes before slicing.