- 1/2 cup bottled teriyaki sauce
- 1/4 cup soy sauce
- 4 cloves garlic, chopped
- 2 pounds flank steak
- 1/4 cup spicy brown mustard
- In a baking dish, combine the teriyaki sauce, soy sauce and garlic. Make 1/4-inch-deep cuts about 1/2 inch apart on both sides of the steak, cutting diagonally across the grain. Rub both sides with the mustard and place the steak in the marinade. Refrigerate for up to 3 hours, turning occasionally.
- Preheat the broiler and line a shallow pan with foil. Broil for 6 minutes on each side for medium-rare, basting once on each side with remaining marinade. Let rest before slicing across the grain.