Tuna Burgers
["1/2 (6 oz.) can tuna", "1/2 c. celery, chopped", "1/4 c. Mozzarella cheese, shredded", "1/4 c. chopped onion", "2 Tbsp. mayonnaise", "6 buns"]
["Butter buns.", "Spread mixture on rolls.", "Wrap buns individually with aluminum foil.", "Bake at 350\u00b0 for 15 to 20 minutes."]
["tuna", "celery", "Mozzarella cheese", "onion", "mayonnaise", "buns"]