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Confit of Wild Salmon on Cucumber Salad with Horseradish Sauce

In this updated traditional French dish, Salmon poached in lemon-infused olive oil and garnished with salmon roe and osetra caviar is served with a cucumber salad with horseradish sauce.

  • Servings: 4

Source: Martha Stewart Living, March 2002

Ingredients

  • 2 cups plus 2 tablespoons olive oil
  • 3 1/2 tablespoons finely grated lemon zest (6 to 7 lemons)
  • 3 tablespoons prepared horseradish
  • 3 tablespoons sour cream
  • 3 1/4 teaspoons coarse salt
  • 1/4 teaspoon plus a pinch of sugar
  • Pinch of cayenne pepper
  • 4 tablespoons fresh dill, chopped
  • 1 1/2 teaspoons light-brown sugar
  • 1/2 teaspoon freshly ground white pepper
  • 1 boneless and skinless salmon fillet (1/2 pound), cut into 4 equal portions
  • 1 medium cucumber (about 8 ounces), peeled, cut in half, and seeds removed
  • 1 tablespoon white-wine vinegar
  • 3/4 cup (about 3 ounces) cauliflower florets
  • 2 cups water
  • 1 cup (about 2 ounces) baby greens, such as arugula or mizuna
  • 1/2 ounce (about 1 tablespoon) salmon roe, for garnish (optional)

Directions

  1. In a small saucepan over medium heat, combine 2 cups olive oil and 2 tablespoons lemon zest. Heat until a deep-fry thermometer registers 120 degrees. Remove from heat, and allow flavors to infuse. Can be kept at room temperature, covered, up to 24 hours.

  2. Make horseradish sauce: In a small bowl, mix together horseradish, sour cream, 1/4 teaspoon salt, 1/4 teaspoon sugar, and cayenne. Pass through a fine sieve into another small bowl, and transfer to the refrigerator until needed.

  3. Combine 3 tablespoons chopped dill, remaining 1 1/2 tablespoons lemon zest, 1 1/2 teaspoons salt, the brown sugar, and pepper. Rub mixture evenly over salmon; place in a shallow bowl, and cover. Place in refrigerator, and let marinate 1 hour.

  4. Use a mandoline or sharp knife to thinly slice cucumber lengthwise into thin ribbons. Transfer to a small bowl, and sprinkle 1 1/2 teaspoons salt evenly over cucumbers. Let sit 25 minutes. Pat dry with paper towels, and set aside.

  5. Make the vinaigrette: In a small bowl, whisk together vinegar, remaining 2 tablespoons olive oil, 1/4 teaspoon salt, and pinch of sugar. Set aside.

  6. Make salmon confit: Strain the reserved olive oil infusion through a fine-mesh sieve into a medium saucepan, and discard lemon zest. Clip a deep-fry thermometer to the side of the pan, and heat infused oil until it reaches a temperature of 120 degrees. Remove salmon from the refrigerator, and wipe off herbs with a paper towel. Place salmon pieces in the hot oil, and poach 25 minutes, adjusting heat if necessary to maintain a constant temperature of 120 degrees. Remove salmon with a slotted spatula, and transfer to a paper towel-lined plate to drain. Set aside.

  7. While salmon is cooking, place cauliflower florets in a small heat-proof bowl. Bring the water to a boil in a small saucepan, and pour over florets. Let sit 1 minute, and drain in a colander. Set aside. Toss baby greens with 2 tablespoons reserved vinaigrette.

  8. To serve, place cucumber ribbons in a mound in the center of each of four plates. Place a piece of salmon on top of the cucumbers, and top with a small dollop of salmon roe, if desired. Arrange cauliflower and baby greens on the side, and drizzle plates with horseradish sauce and remaining vinaigrette.

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