Grilled turkey burger - Mayo Clinic

Ingredients

• 1 pound ground turkey breast
• 1/4 cup dried plain bread crumbs
• 1/4 cup chopped onion
• 2 tablespoons fresh parsley, chopped
• 2 teaspoons Worcestershire sauce
• 1 teaspoon hot pepper sauce
• 4 whole-grain buns
• 4 slices tomato
• 4 slices red onion
• 2 bibb lettuce leaves, halved
• 2 tablespoons fat-free mayonnaise