Notes:

I think that is what Emeril called it.
You can add anything you like to it, I have tried cheese and that is really good.
This is modified from the original, but fyi the "parts" used were "Tablespoons".
Hint: 4 Tbsp = 1/4 cup.

You will need:

Procedure:

Melt the butter. Add the flour and whisk until smooth.
Heat the milk until just about to boil, or be lazy and mix everything and then bring almost to a boil.

Season as desired.