rout cake

rout cake (countable and uncountable, plural rout cakes)

1. (dated) A kind of rich sweet cake made for routs, or evening parties.
   • 1847 January – 1848 July, William Makepeace Thackeray, chapter 3, in Vanity Fair […], London: Bradbury and Evans […], published 1848, →OCLC:

     twenty-four little rout cakes that were lying neglected in a plate