Cooked potatoes, tuna, string beans, lettuce, tomatoes, hard-boiled eggs, capers, black olives, and anchovies marry well ... We love to see the beauty of the fresh green bean on our plates.

Turn the tuna to coat well. Cover with cling film and place in the fridge for 15 minutes. Meanwhile, combine the remaining vinaigrette with the tomatoes, capers, and rocket. Set aside. Heat the ...