So you have a can of tuna…..you need lunch, or a light supper….. Tuna Pan Bagnat. Pan Bagnat (pan ban-Yah) wet or bathed bread, is a specialty of the Provence region of France. Traditionally a round wheat bread is stuffed with the classic Salad Nicoise ingredients.... tuna, anchovies, tomatoes, eggs, olives, red onions, capers, garlic