Step 1

Gather all ingredients.

Step 2

Whisk together oil, soy sauce, vinegar, lemon juice, Worcestershire sauce, Dijon mustard, garlic, and pepper for marinade until thoroughly combined. Place steak in a 9×13-inch glass baking dish.

Step 3

Pour marinade over flank steak in the baking dish; turn several times to coat thoroughly with marinade. Cover, and refrigerate for 2 to 6 hours, or up to 12 hours if you have time.

Step 4

When ready to cook, preheat an outdoor grill for medium-high heat and lightly oil the grate.

Step 5

Remove steak from the marinade and shake off excess. Discard the remaining marinade.

Step 6

Cook steak on the preheated grill for about 5 minutes per side, or to desired doneness.

Step 7

Remove from the grill and let rest for 5 minutes before slicing and serving.

Step 8

Serve hot and enjoy!

Tips

You can use regular soy sauce, if preferred.