Tarragon Dressing for a Lettuce Salad

• the yolks of 2 hard-boiled eggs
• wine vinegar
• 1–2 teaspoons mild French mustard

Crush the yolks to a paste in a bowl and add a teaspoon of wine vinegar, the mustard, about 1 level teaspoon of salt and a level dessertspoon of black pepper. Beat together thoroughly and then add graduall