Maybe you guys are already aware of this but it’s news to me. I’ve always added a few dashes of flavors to my M&C, usually hot sauce. I guess they’re trying to keep up with the Ramen Noodle guys.
https://www.tasteofhome.com/article/kraft-mac-and-cheese-flavors/
https://www.tasteofhome.com/article/kraft-mac-and-cheese-flavors/