Ingredients

  • ¼ cup white-wine vinegar
  • 1 small shallot, peeled and minced
  • ½ teaspoon freshly cracked black pepper
  • 1 tablespoon plus 1 teaspoon chopped tarragon leaves
  • 2 egg yolks
  • 12 tablespoons unsalted butter, melted
  • Kosher salt, to taste
  • Splash of lemon juice, optional