Fried Fingerling Potatoes with Tarragon Sauce

Crispy fried fingerling potatoes served with a homemade tarragon-infused mayonnaise sauce and topped with crispy fried capers. This elegant side dish combines the earthiness of potatoes with a rich, herbal sauce.

4 servings
45 min

Ingredients

  • 1 pound small fingerling potatoes
  • ¼ cup kosher salt
  • 1 large egg yolk
  • 1 teaspoon fresh lemon juice
  • 1 pinch Coarse sea salt
  • ½ cup extra-virgin olive oil
  • 1 tablespoon finely chopped shallot
  • ½ teaspoon finely chopped fresh tarragon
  • 1 pinch Freshly ground black pepper
  • tablespoon drained capers
  • 2 cup Vegetable oil or grapeseed oil

Cooking Instructions

  1. 1.

    Bring potatoes, 1/4 cup kosher salt, and 8 cups water to a boil in a large saucepan and cook until potatoes are tender, about 12 minutes. Drain; let cool completely. Halve potatoes lengthwise. DO AHEAD: Can be made 1 day ahead. Cover and chill.

    12 min

  2. 2.

    Whisk egg yolk, lemon juice, and a pinch of sea salt in a small bowl. Gradually whisk in 1/2 cup olive oil until mayonnaise forms. Stir in shallot and tarragon. Season to taste with pepper. DO AHEAD: Can be made 4 hours ahead. Cover and chill.

    10 min

  3. 3.

    Heat remaining 1 1/2 teaspoons olive oil in a small skillet over medium-high heat. Add capers and fry, stirring often, until crisp and golden, 2-3 minutes. Using a slotted spoon, transfer capers to paper towels to drain. DO AHEAD: Can be made 4 hours ahead. Let stand at room temperature.

    3 min

  4. 4.

    Pour vegetable oil into a large pot to a depth of 2". Attach a deep-fry thermometer to side of pot. Heat oil over medium heat until thermometer registers 375°F. Working in batches, fry potatoes until crisp and dark golden brown, 3-4 minutes. Drain on paper towels. Season lightly with sea salt.

    15 min

  5. 5.

    Arrange warm potatoes on a platter, cut side up. Spoon some mayonnaise over each; sprinkle with capers.

    5 min

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