Recipe: Hollandaise Sauce

  • ¼ cup butter ½ cup hot water
  • 1 tablespoon flour 1 egg yolk
  • ½ teaspoon salt 1 tablespoon lemon juice
  • Few grains cayenne

Cream half of the butter with flour, salt, and cayenne; add hot water, and cook over hot water for ten minutes, stirring constantly until thickened; add egg yolk slightly beaten, lemon juice, and remainder of butter; cook about two minutes, or until thick; beat well, and serve at once.

Better Meals for Less Money, by Mary Green (Year 1909)