Barbecued Sirloin Roast

• 1 (3-inch) thick cut sirloin
• 1 tsp. monosodium glutamate
• 1/3 c. wine vinegar
• 1/4 c. catsup
• 2 Tbsp. cooking oil
• 2 Tbsp. soy sauce
• 1 Tbsp. Worcestershire sauce
• 1 tsp. prepared mustard
• 1 tsp. salt
• 1/4 tsp. pepper
• 1/4 tsp. garlic powder

1. Sprinkle both sides of roast with monosodium glutamate.
2. Place in a shallow baking dish.
3. Thoroughly combine vinegar, catsup, cooking oil, soy sauce, Worcestershire sauce, mustard, salt, pepper and garlic powder.
4. Pour mixture over roast and marinate for 2 to 3 hours, turning once or twice.
5. Place roast on grill or broiler pan for about 45 minutes to an hour, turning and basting every 10 to 15 minutes.
6. Serves 6 to 8.

sirloin, monosodium glutamate, wine vinegar, catsup, cooking oil, soy sauce, worcestershire sauce, mustard, salt, pepper, garlic powder

Taken from www.cookbooks.com/Recipe-Details.aspx?id=754420 (may not work)