In the US, 'mac n cheese' (soz) is an entire thing – all kinds of toppings from the generic bacon to entire bucket loads of (cheese-topped, of course) chilli. Still, this is the nation that brought us deep-fried butter (yes, I have, of course).
I don't mind macaroni cheese, but it's one of those foods that I can only consume so much off – American-portions often defeat me.