"You'll find plenty of flavor here too, thanks to a special ingredient...."
dried macaroni
whole egg, beaten
(1/2 stick or 4 tablespoons) butter
all-purpose flour
whole milk
(heaping) dry mustard, more if desired
cheese, grated
salt, more to taste
seasoned salt, more to taste
ground black pepper
Optional spices: cayenne pepper, paprika and/or thyme