The key to any delicious uncooked recipe is great ingredients. Here, a good-quality oil-packed tuna is essential. You can wrap the salad in lettuce or stuff it into pitas for a heartier meal. More Main Course Salads
In a bowl, whisk the shallot, vinegar, oil, sugar and tarragon. Add the fennel and cucumber and toss. Let stand for 5 minutes.
Add the tuna to the salad and season with salt and pepper. Spoon the salad into lettuce leaves or pita bread and serve.