3 lb. chuck roast, 1 1/2-2 inch
1/3 c. wine vinegar
1/4 c. ketchup
2 tbsp. oil
2 tbsp. soy sauce
1 tbsp. Worcestershire
1 tsp. mustard
1 tsp. salt
1/4 tsp. pepper
1/4 tsp. garlic powder

Combine all ingredients except meat. Add meat and then marinate 2-3 hours, turning once or twice. Place on grill or broiler pan about 6 inches from heat. Turn and baste every 10-15 minutes. Broil a total of 35-45 minutes. 6-8 servings.