1/2 Cup Each Red wine vinegar, steak sauce and minced fresh onion
1 Cup Ketchup
2 Tbsp. Each Brown sugar, firmly packed, and prepared mustard
1 Tsp. Chili powder
1/4 Cup Water
1-1/2 Lb. London broil
Combine all ingredients. Place London broil in shallow baking dish. Pour marinade over London broil. Turn to coat both sides. Refrigerate, covered for several hours or overnight. Broil or grill London broil until cooked as desired.