Tuna, Tomato and Olive Sandwich (Pan Bagnat)

Serves 4.
Ingredients
- 4 large, round, chewy bread rolls
- 1/4 cup extra-virgin olive oil
- 2 Tbs. red wine vinegar
- 4 oz. water or oil-packed tuna
- 1 green bell pepper, seeded and thinly sliced
- 2 tomatoes, thinly sliced
- 2 hard-cooked eggs, peeled and sliced
- 12 anchovy fillets
- 16 pitted niçoise olives
- 4 to 6 lettuce leaves such as butter, green leaf   or red leaf
Directions
Slice the rolls in half horizontally. Sprinkle the cut sides evenly with the olive oil and vinegar.Drain the tuna and place it in a bowl. Using a fork, flake the tuna into smallish pieces. Divide evenly among the bottom halves of the rolls. Then evenly divide the bell pepper, tomatoes, eggs, anchovy fillets and olives among them. Cover the filling with the lettuce leaves. Put the roll tops in place and serve.