Step 1

In a medium bowl or large liquid measuring cup,, mix the oil, lemon juice, balsamic vinegar, soy sauce, liquid honey, Dijon mustard, minced garlic, and black pepper.

Step 2

Place the flank steak in a shallow glass dish or a sealing plastic Ziploc bag. Pour the marinade over the steak, turning the meat to coat thoroughly. Cover, and refrigerate overnight. If you want, you can also marinate for a full 24 hours with great results.

Step 3

Preheat your grill to a medium-high heat.

Step 4

Oil the grill grate on your BBQ . Place the flank steaks on the grill, and discard the marinade. Grill the flank steak for 5 minutes per side, or to desired doneness.

Step 5

Remove and place on a plate. Let rest for 5 minutes, then slice against the grain and serve.