Last night in F from ORD - CMH, asked for one, but the FA didn't know anything about it. When I showed it to her, she insisted that it was only for purchase in Y

Not really up for dealing with stupidity, I just asked for a Miller, but the guy next to me stood up for me and insisted that she should make it. ^ He told me that he's had it on a few flights, and most of the FA's don't know anything about it, and that it was always made a different way.
In the end, it was very tasty! Not sure if it was made right as it didn't look anything like the picture, but it worked