Onion-Smothered Italian Burgers

• 1 teaspoon olive oil
• 2 cups thinly sliced Vidalia or other sweet onion
• 2 teaspoons sugar
• 1/4 teaspoon salt
• 1/8 teaspoon black pepper
• 1 tablespoon balsamic vinegar
• 3 tablespoons preshredded fresh Parmesan cheese
• 2 tablespoons tomato paste
• 1 teaspoon dried oregano
• 1/2 teaspoon garlic powder
• 1/4 teaspoon dried basil
• 1 pound ground beef, extra lean
• Cooking spray
• 4 (1 1/2-ounce) hamburger buns

1. Heat oil in a large nonstick skillet over medium-high heat. Add onion, sugar, salt, and pepper to pan. Cook 6 minutes or until lightly browned, stirring occasionally. Add vinegar to the pan; cook 30 seconds, stirring constantly.
2. Combine cheese and next 5 ingredients (through beef) in a medium bowl; shape meat mixture into 4 (3-inch) patties. Heat a grill pan over medium-high heat. Coat pan with cooking spray. Add patties to pan. Cook 5 minutes on each side or until desired degree of doneness. Place 1 patty on bottom half of each bun; top each patty with 1/4 cup onion mixture and top half of each bun.

olive oil, onion, sugar, salt, black pepper, balsamic vinegar, parmesan cheese, tomato paste, oregano, garlic, dried basil, ground beef, cooking spray, buns

Taken from www.myrecipes.com/recipe/onion-smothered-italian-burgers (may not work)