Flake the tuna into a bowl, add the beans, onion, lemon rind and juice and gently toss together. Spoon into a serving bowl and drizzle with a touch of extra virgin olive oil for additional flavor. Serve with crusty bread.
To serve as a main dish salad
Chop the romaine lettuce and toss with olive oil, lemon juice, and salt. Place on a serving platter,