Barbecued Burgers

Ingredients

• 0.5 cup barbecue sauce divided
• 2 tablespoons onion flakes dried
• 0.3 teaspoon ground pepper 
• 1 pound ground round 
• 2 tablespoons italian-seasoned breadcrumbs 
• 4 slices purple onion thin
• 4  hamburger buns whole wheat reduced-calorie

Equipment

• oven
• broiler pan

Directions

1. Combine ground round, 1/4 cup barbecue sauce, breadcrumbs, onion flakes, and pepper; shape mixture into 4 patties.
2. Coat rack of a broiler pan with cooking spray.
3. Place patties and onion slices on rack; broil 5 1/2 inches from heat (with electric oven door partially opened) 8 minutes, brushing occasionally with remaining 1/4 cup barbecue sauce.
4. Place a patty and an onion slice on bottom half of each bun. Top with remaining bun halves.