Wiktionary
like hot cakes
adv. (context simile colloquial English) Quickly, especially by purchase or consumption.
Usage examples of "like hot cakes".
Packaged in small units, like packs of gum, it would go like hot cakes here on Earth.
In no time Erl was in the centre of a crowd, selling suits like hot cakes, with two men from other departments sent in to help him.
Once those houses are finished they'll sell like hot cakes, and for twice what they'd cost in the States.