Makes about 1 1/2 cups
1 cup milk
1 tablespoon flour
1 egg yolk
1/2 teaspoon salt
teaspoon white pepper
1/8 teaspoon grated nutmeg
1 cup grated Cheddar
Melt the butter in a saucepan. Whisk in the flour. Add the
milk and whisk until sauce is thick.
Mix in egg yolk and cook over low heat
for 2 minutes. Add cheese. Stir over low heat until melted. Remove sauce from
heat. Season with salt and pepper and nutmeg.
Pour the sauce in a container
and cover with buttered wax paper. Heat before serving.