Walking Albacore Waldorf Salad
Place tuna, onion, apple, raisins, walnuts and celery in a medium bowl and mix together.
In a small bowl blend together the mayonnaise, sugar and lemon juice. Combine with the tuna mixture.
Place a piece of lettuce on the bread and top with tuna mixture. Pack the flatbreads in your favorite take along container and enjoy wherever you go!