Ingredients

  • 1/2 cup creme fraiche
  • 2 tablespoons prepared horseradish
  • 2 teaspoons plus 1 tbsp. lemon juice
  • 3/4 teaspoon kosher salt, divided
  • 1 celery root (10 oz.)
  • 2 qts. loosely packed baby arugula
  • Black sesame seeds or poppy seeds

Method

  • In a small bowl, combine creme fraiche, horseradish, 2 tsp. lemon juice, and 1/4 tsp. kosher salt. Chill.
  • Cut peel from celery root with a sharp knife. Thinly slice crosswise, then stack slices and cut into thin matchsticks.
  • In a salad bowl, toss celery root with 1 tbsp. lemon juice. Add arugula, about 1/2 cup horseradish dressing, and remaining 1/2 tsp. kosher salt, and gently toss to coat. Sprinkle with sesame seeds.
  • Make ahead: Dressing, chilled, up to 1 week.