4 oz fresh mozzarella
1 lb ground turkey
1 tbsp Worcestershire sauce
1 tbsp Dijon mustard
1/4 cup chopped green onions about 3 green onions
4 hamburger buns
1/4 cup mayonnaise
4 Boston lettuce leaves
4 large slices tomatoes
Dice mozzarella into ½-inch (or slightly smaller) cubes.
Combine turkey, cheese, Worcestershire sauce, mustard, green onions and egg in a large bowl. Season with black pepper.
Using your hands, combine all ingredients in the bowl and form into 4 patties.
Heat grill to medium high heat and oil grates.
Grill burgers until cooked through, 4 to 5 minutes on each side.
Warm bun halves on the grill until lightly toasted.
Spread the bottom of each bun with 1 tablespoon of mayonnaise. Top with 1 lettuce leave, 1 large slice tomato, turkey burger and top bun.