French Vinaigrette with Hard-boiled Eggs

Description
This recipe came from an estate sale. I obtained it when I purchased the family collection from the Hager Estate in Canton, Texas in 1982.
 * Contributed by Catsrecipes Y-Group

Ingredients

 * ½ teaspoon Dijon-style mustard
 * 3 tablespoons white wine vinegar
 * 1 teaspoon salt
 * ⅓ cup olive oil
 * 2 teaspoons minced fresh parsley leaves
 * 1 hard boiled egg

Directions

 * 1) In bowl whisk together mustard, vinegar and salt then add oil in a stream and whisk until emulsified.
 * 2) Stir in parsley then force egg through a coarse sieve into the bowl and stir the vinaigrette until it is combined well.