Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  teaspoon      Salt
   1      tablespoon    Flour
   1      teaspoon      Dry mustard
   1      tablespoon    Sugar
   2      tablespoons   Butter
   2                    Egg yolks
     3/4  cup           Cream
     1/4  cup           Vinegar

Preparation:

Mix flour, salt, mustard and sugar in the top of a double boiler. Add butter and stir til mixed. While beating, add the egg yolks; stir well. Add the cream and lastly the vinegar.cook over hot water until it thickens. Strain if necessary. chill and serve cold. Many of the recipes in this collection did not contain amounts or oven temperatures. I have typed them in as they appear in the book, typos and all.