Mix everything except milk in a large pot and cook over medium heat, stirring every 30 seconds until the butter is completely melted and everything is simmered. Finally, add 1/3 gallon of milk and allow cooking over medium heat until the milk starts to rise in the pot. Do not let it overflow.
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.
Recipe courtesy of CJ Casamento, owner of Casamento's in New Orleans, LA