1/4 cup Butter (1/2 stick)
1/4 cup Flour
1 3/4 cups Milk (room temperature)
3/4 teaspoon Salt
1/4 teaspoon white Pepper
1/8 teaspoon Cayenne pepper (optional)
1/2 cup grated Parmesan cheese
In a medium sauce pan, melt butter (or margarine), over moderate-low heat. Stir in flour and cook 1 minute, Whisk in milk. Increase heat to moderate-high and cook - whisking constantly until mixture comes to a boil and thickens. Remove from heat and stir in seasonings and cheese.
Cover and refrigerate.
