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1
First make the salad dressing.
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2
Mix all ingredients together well, except the olive oil.
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3
Slowly stream in the olive oil while whisking to emulsify.
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4
An alternative way of doing this is to put all ingredients in a mason jar, screw the lid on and shake vigorously until everything is well blended.
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5
For the salad.
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6
Rub the tuna with olive oil; season with salt and pepper.
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7
In a hot pan sear or grill the tuna for two minutes on each side.
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8
Transfer tuna to a cutting board and slice.
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9
Drizzle with 2 tablespoons of the vinaigrette.
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10
Boil the potatoes until cooked through; drain and allow to cool a bit.
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11
Transfer potatoes to a mixing bowl and drizzle with 2-3 tablespoons of the vinaigrette to fully moisten; toss gently; transfer to a plate.
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12
Repeat with the tomatoes, and then with the beans; transfer beans to a plate as well.
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13
Add to the same mixing bowl the lettuce, capers, and olives; toss with 2 or 3 tablespoons of the vinaigrette and transfer to the center of a large serving platter.
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14
Arrange the potatoes around the lettuce, then the tomatoes around the potatoes, then the beans, and then the eggs around the rim of the plate.
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15
Finally, lay the tuna slices attractively across the top.
