1/2 c. Wesson oil
1/2 c. red wine or wine vinegar
2 Tbsp. A.1. steak sauce
1/2 tsp. onion powder
1/4 tsp. garlic powder
1/2 tsp. thyme
1/2 tsp. salt
1/4 tsp. pepper
1 tsp. sugar
London Broil or sirloin tip roast

For marinade combine first 9 ingredients. Pour over beef; cover and refrigerate for several hours or overnight. Cook beef on a grill, using the marinade as a basting sauce.