Best-Ever Tuna Salad
["2 cans water packed tuna", "1 tomato", "1/4 head lettuce, chopped", "1 small chopped onion", "2 stalks celery, chopped", "mayo"]
["Drain and flake tuna into bowl.", "Chop 1 tomato, 1/4 head lettuce, onion and celery into bowl.", "Mix well.", "Add just enough mayo to moisten."]
["water", "tomato", "head lettuce", "onion", "stalks celery", "mayo"]