This sandwich, our take on the French pan bagnat, is perfect for outdoor eating. Its flavor improves when you make it ahead.
Ingredients
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3 tablespoons extra-virgin olive oil
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2 tablespoons white-wine vinegar
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1 tablespoon Dijon mustard
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Coarse salt and ground pepper
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2 cans oil-packed tuna (6 ounces each), drained
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¼ English cucumber, thinly sliced
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½ small red onion, halved and thinly sliced
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One 8-inch round loaf country-style bread
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3 tablespoons jarred olive tapenade
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1 cup fresh basil leaves
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2 large eggs, hard-cooked and sliced
Directions
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In a medium bowl, whisk together oil, vinegar, and mustard; season with salt and pepper. Transfer 2 tablespoons dressing to another bowl; toss with tuna. To remaining dressing, add cucumber and onion; toss to combine.
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Cut bread in half horizontally; remove most of soft interior crumb. Spread tapenade on bottom half. Top with basil leaves, then egg slices; season with salt and pepper. Top with tuna, then cucumber mixture; close sandwich.
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Wrap sandwich tightly in plastic and place between two baking sheets. Weight with a heavy skillet. Let stand 1 hour (or refrigerate, up to overnight). To serve, cut into quarters.