Preparation info
  • 1½ cups

    • Difficulty

      Easy

Appears in

By Sheila Lukins and Julee Rosso

Published 1989

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Ingredients

  • 2 tablespoons white wine vinegar
  • 2 tablespoons dry white wine
  • 1

Method

  1. Combine the vinegar, wine, shallots, and tarragon in a small saucepan. Boil over high heat until the mixture is reduced by half, about 1 minute. Remove from the heat, and set aside.
  2. Melt the butter in another small saucepan over medium heat.
  3. Combine the egg yolks and reserved shallot mixture in the top of a double boiler and place over hot, not boilin