Melt the butter in a saucepan over low heat. Whisk in the flour, and add the milk slowly, whisking as you go. Let the sauce simmer over a very low flame for about 10 minutes. Stir in the cheese, dry mustard, Worcestershire, salt, white pepper and cayenne.
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.
Recipe courtesy of Ouita Michel, Wallace Station, Versailles, KY