Combine barbecue sauce with water. Pour barbecue sauce mixture in large skillet. Add steaks. Separate onions into rings and add to skillet.
Bring barbecue mixture to a boil. Reduce heat; cover tightly and simmer 1-1/4 to 1-3/4 hours or until beef is fork-tender.
Remove Steaks; keep warm. Increase heat and bring mixture to a boil. Cook, uncovered, 5 minutes or until thickened, stirring frequently.
Carve Steaks into thin slices. Serve with sauce and cornbread.
Nutrition information per serving: 218 Calories; 63 kcal Calories from fat; 7 g Total Fat; 2 g Saturated Fat; 3 g Monounsaturated Fat; 72 mg Cholesterol; 546 mg Sodium; 12 g Total Carbohydrate; 1.3 g Dietary Fiber; 28 g Protein; 2.9 mg Iron; 5.4 mg NE Niacin; 0.5 mg Vitamin B6; 1.5 mcg Vitamin B12; 4.8 mg Zinc; 31.3 mcg Selenium;