3 tbsp. butter
3 tbsp. flour
2 cups liquid (at least 1/2 milk)
Salt and black pepper to taste
Directions
Make a roux by melting the butter in a saucepan and adding the flour all at once, whisk constantly to form a smooth blonde paste. Cook the roux, but do not brown it.
Within a few minutes the roux should be smooth and very thick. Whisk continually. Add half of the milk and continue to whisk the sauce constantly. Add the remaining liquid, a little at a time until the proper consistency is achieved. If more liquid is need, use additional milk. Continue to whisk for a few more minutes. For finish add salt and white pepper to taste.