Parmesan Sauce - cooking recipe

Ingredients

1/3 cup flour
3 cups low-fat milk (1%)
1/4 teaspoon ground nutmeg
3/4 cup grated parmesan cheese
1 teaspoon butter

Preparation

In a medium, heavy saucepan, whisk flour to remove any lumps.
Gradually add 1 cup milk, whisking until smooth.
Add remaining milk and the nutmeg.
Whisk over medium heat until thickened and comes to a boil, about 4 minutes.
Remove from heat and stir in Parmesan and butter.
Season to taste.