1
Clean and trim meat. Score meat in diagonal/diamond pattern across the grain of meat.
2
In small bowl, combine vinegar, soy sauce, 2 teaspoons of mustard, chili powder, honey, pepper and minced garlic. Reserve 2 tablespoons of marinade for basting.
3
Place meat in shallow dish to marinate. Pour marinade over meat, making sure both sides are well coated. Marinate for at least 30 minutes, turning meat at least once.
4
Broil meat for 5 minutes per side or until done, basting frequently with reserved marinade.
6
Slice meat across the grain into 1/4-inch strips.