BBQ Beef Strips

16 oz. lean round steak, cut into strips
1 (15 oz.) can chunky tomato sauce
1 Tbsp. Worcestershire sauce
2 Tbsp. brown sugar
1 Tbsp. prepared mustard
1/3 C. water
1/8 tsp. black pepper
1 C. onion slices

In a large skillet, brown meat. In a medium bowl, combine tomato sauce, Worcestershire sauce, brown sugar, mustard, water, and black pepper. Pour sauce mixture over meat in skillet. Layer onion slices over the top. Cover and lower heat. Simmer 15 minutes, stirring occasionally. Good served over rice or pasta.