Stilton Burgers

Ingredients

• 2 teaspoons olive oil
• 4 cups sliced onion (about 12 ounces)
• 1/4 teaspoon salt, divided
• 1 pound ground sirloin
• 2 tablespoons grated onion
• 2 tablespoons Worcestershire sauce
• 1/8 teaspoon ground black pepper
• 2 garlic cloves, minced
• Cooking spray
• 1/4 cup crumbled Stilton cheese
• 4 (2-ounce) French hamburger rolls, split
• 4 green leaf lettuce leaves
• 4 (1/4-inch-thick) slices tomato

Preparation

1. 1. Preheat grill to medium-high heat.
2. 2. Heat a large skillet over medium heat. Add oil to pan. Add sliced onion and 1/8 teaspoon salt; cook 18 minutes or until golden, stirring occasionally.
3. 3. Combine 1/8 teaspoon salt, beef, and next 4 ingredients; toss gently. Divide mixture into 4 equal portions, shaping each into a 1/2-inch-thick patty.
4. 4. Place patties on a grill rack coated with cooking spray; grill 4 minutes on each side or until desired degree of doneness. Top each patty with 1 tablespoon cheese during last 2 minutes of cooking.
5. 5. Place rolls, cut sides down, on grill rack; grill for 1 minute. Place bottom halves of rolls on 4 plates; top each serving with 1 lettuce leaf, 1 tomato slice, 1 patty, 1/4 cup onion mixture, and 1 roll top.