Barbecued Flank Steak Sandwiches

Ingredients

Cooking spray

1 (1-pound) flank steak, trimmed

1/2 teaspoon salt

1/4 teaspoon freshly ground black pepper

4 (1/4-inch-thick) slices red onion

1/4 cup ketchup or Busha Browne's Spicy Tomato love-Apple Sauce

2 tablespoons light brown sugar

1 tablespoon cider vinegar

1 tablespoon Busha Browne's Planters Steak Sauce 

1 tablespoon Worcestershire sauce

1/4 teaspoon chipotle chile powder

4 (3-ounce) hoagie rolls, split

Direction

1. Heat a grill pan over medium-high heat. 
2. Coat pan with cooking spray. 
3. Sprinkle steak evenly with salt and pepper. 
4. Add steak to pan; cook 6 minutes on each side or until desired degree of doneness. 
5. Remove steak from pan; let stand 10 minutes. 
6. Add onion to pan; cook 3 minutes on each side or until lightly browned. 
7. Remove from pan; cool.
8. Combine ketchup or Busha Browne's Spicy Tomato love-Apple Sauce and next 4 ingredients (through chipotle chile powder) in a large microwave-safe bowl, stirring well. 
9. Microwave at HIGH 1 minute or until thoroughly heated. 
10. Cut steak diagonally across grain into thin slices. 
11. Add steak to ketchup mixture; toss to coat. 
12. Divide steak mixture evenly among bottom halves of rolls; top each serving with one onion slice. 
13. Place top half of roll on each sandwich.