1/4 tablespoon salt 11/2 tablespoon flour
1 teaspoon mustard Yolks 2 eggs
11/2 tablespoons sugar 11/2 tablespoons melted butter
Few grains cayenne 3/4 cup milk 1/4 cup vinegar
Mix dry ingredients, add yolks of eggs slightly beaten, butter, milk, and vinegar very slowly. Cook over boiling water until mixture thickens; strain and cool.
