Instructions
Cook the pasta according to package directions, rinse under cold water, drain and set aside.
In a saucepan, melt the butter over medium heat.
When the butter has melted and looks foamy, turn the heat to low-medium, add the flour and cook, stirring with a whisk, for , but do not let the mixture become brown.
Gradually add the milk, stirring with a whisk to keep the sauce smooth.
Cook for or until the sauce has thickened slightly.
Add most of the cheeses, leaving some to top the dish as garnish.
Add some salt and continue to whisk the sauce until all the cheese has melted.
Add the pasta and mix to coat all the pieces.
Eat as is, sprinkled with extra cheese, OR place in a preheated 350 degree oven for to crisp the top.
*sometimes, if the sauce seems to be too thin, I use an additional tablespoon of flour.