In a saucepan over low heat combine Laughing Cow Creamy Swiss Wedges, fat-free mayo, 1/2 cup grated parmesan cheese, shredded mozzarella, spinach and garlic. Stir until incorporated and heated through. Set aside.
Mix together ground beef, egg, 1/2 cup parmesan cheese, salt, pepper and grill seasoning. Form patties and grill about 7 minutes per side. Top with creamed spinach mixture.