TUNA BURGERS

TUNA BURGERS 1 large egg, lightly beaten 1/2 cup dry bread crumbs 1/2 cup finely chopped celery 1/3 cup mayonnaise 1/4 cup finely chopped onion 2 tablespoons chili sauce 1 pouch (6.4 ounces) light tuna in water 2 tablespoons butter 4 hamburger buns, split and toasted Lettuce leaves and sliced tomato, optional Mix first 6 ingredients; fold in tuna. Shape into 4 patties. In a large cast-iron or other heavy skillet, heat butter over medium heat. Cook patties until lightly browned, 4-5 minutes on each side. Serve on buns. If desired, top with lettuce and tomato.