Tuscan Burgers With Pesto Mayo

• 1/4 cup mayonnaise
• 1/4 cup prepared pesto, divided
• 3 ounces sliced pancetta, finely chopped
• 1/4 teaspoon pepper
• 1/8 teaspoon kosher salt
• 1 pound ground beef
• 1 small red onion, cut into 4 slices
• 1 large tomato, cut into 4 slices
• 1 tablespoon olive oil
• 8 ounces fresh mozzarella cheese, cut into 4 slices
• 4 Italian rolls, split
• 1 cup fresh arugula or fresh baby spinach

1. In a small bowl, combine mayonnaise and 2 tablespoons pesto; cover and chill until serving. In a large bowl, combine the pancetta, pepper, salt and remaining pesto. Crumble beef over mixture and mix well. Shape into four patties.
2. Brush onion and tomato slices with oil. Grill onion over medium heat for 4-6 minutes on each side or until crisp-tender. Grill tomato for 1-2 minutes on each side or until lightly browned.
3. Grill burgers, covered, over medium heat for 5-7 minutes on each side or until a thermometer reads 160u0b0 and juices run clear.
4. Top burgers with mozzarella cheese. Grill 1 minute longer or until cheese is melted. Spread cut sides of rolls with pesto mayonnaise; top with burgers, onion, tomato and arugula.

mayonnaise, pesto, pancetta, pepper, kosher salt, ground beef, red onion, tomato, olive oil, mozzarella cheese, italian rolls, fresh arugula

Taken from www.tasteofhome.com/recipes/tuscan-burgers-with-pesto-mayo/ (may not work)