In this recipe video, learn how to make Grilled Balsamic-and-Garlic Flank Steak. Use a marinade made with classic ingredients to infuse the juicy flank steaks with great flavor. If you are on any carb-restricted diets, or have allergies where meat intake is encouraged, this recipe provides a great way to prepare a lot of tender, flavorful meat at one time. Slice the beef thin, and finish with salt for an incredible meal!