|
1/2 white onion, thinly sliced
1/2 red onion, thinly sliced
1/4 cup plus 4 teaspoons extra-virgin olive oil
2 tablespoons red wine vinegar
Coarse salt and freshly ground pepper
2 jars (7 ounces each) best-quality tuna packed in olive oil
1 tablespoon fresh lemon juice, plus lemon wedges, for serving
4 small ciabatta rolls, split horizontally
2 heads Bibb lettuce, leaves split horizontally
1 1/2 cups nicoise olives, pitted
8 hard-boiled eggs, peeled and thinly sliced
| 
