NIçOISE TUNA SANDWICH (PAN BAGNAT)

Niçoise Tuna Sandwich (Pan Bagnat) image

Yield Makes 2 sandwiches

Number Of Ingredients 16

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1/4 of white onion, thinly sliced
1/8 of a small red onion, thinly sliced
2 tablespoons extra-virgin olive oil, plus additional for drizzling
1 tablespoon red-wine vinegar, plus additional to taste
1/4 teaspoon salt, plus additional to taste
black pepper to taste
1 6-ounce can tuna packed in olive oil (see above) including olive oil
lemon juice to taste
2 kaiser rolls, plain
lettuce leaves, combination of Boston, green-leaf, or other green leafy lettuce
8 tomato slices
6-8 hard-boiled eggs slices
4 anchovy fillets, drained
Niçoise olives
scallions, chopped
radishes, sliced

Steps:

Combine the red and white onion with 2 tablespoons extra-virgin olive oil,1 tablespoon red-wine vinegar, 1/4 teaspoon salt, and several grinds of black pepper in a bowl.
Using your hands, mix and squeeze everything together for 5 minutes. (Don't rush through this part; the onions need time to release their juices and mellow.)
Work in can of tuna in olive oil, including the oil. Season with fresh lemon juice, red-wine vinegar, and salt, then add pepper to taste.
Cut kaiser rolls in half crosswise and spread each bottom half with lettuce leaves. Use a couple of varieties-whatever looks good-for the difference in texture.
On top of each lettuce layer, arrange 4 tomato slices (skip this step if you don't have good-really good-tomatoes on hand). Then add about half the tuna mixture and 3 to 4 slices of hard-boiled egg.
Crisscross each sandwich with 2 drained anchovy fillets and strew with Niçoise olives (pit them if desired), chopped scallion greens, and sliced radishes. Then drizzle generously with more olive oil and top with the remaining kaiser halves, pressing gently but firmly.