Ingredients
1 teaspoon salt
1 teaspoon mustard
Dash cayenne
2 tablespoons flour
2 tablespoons sugar
2 egg yolks
2 tablespoons butter
1 cup milk
1/4 cup vinegar
Method
Mix dry ingredients in the top of a double boiler. Add egg yolks, beaten, then butter and milk, stirring to keep smooth. Cook over boiling water 15 minutes, stirring constantly. Remove from fire and cool. Add vinegar and beat.
Yield: 1 1/4 cups.