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Ingredients
1 cup whole milk
1 ½ tablespoons all-purpose flour
½ teaspoon Dijon mustard
Salt and freshly ground black pepper
1 large egg
¼ cup tarragon vinegar
1 tablespoon olive oil (not extra virgin)
1 tablespoon superfine sugar
2 tablespoons chopped fresh tarragon leaves
Preparation
- Step 1
Place 2 tablespoons milk in a small heavy-bottom saucepan. Whisk in flour, mustard and salt and pepper to taste. Gently whisk the remaining milk into this paste. In a separate bowl, beat egg, and then add vinegar. Pour into saucepan.
- Step 2
Place saucepan over medium-low heat, whisking constantly until mixture is thickened to the consistency of heavy cream, 1 to 2 minutes. (Do not allow mixture to boil, or it may separate.) Remove from heat and whisk in olive oil and sugar. Pour dressing into a bowl, and allow to cool, whisking occasionally. While mixture is still warm, stir in fresh tarragon.
- Step 3
Cool dressing to room temperature. Refrigerate until chilled, at least 30 minutes.
Private Notes
