Tuna Burgers
["1 (6 1/2 oz.) can tuna", "1 c. chopped celery", "1 small onion", "1/2 c. cheese", "1/4 c. mayonnaise"]
["Mix and put in doggie buns.", "Wrap in tinfoil and put in oven 15 to 20 minutes at 350\u00b0.", "Serves 6."]
["tuna", "celery", "onion", "cheese", "mayonnaise"]