We had cakes on sticks several years ago - http://greatcafes.blogspot.co.uk/2011/09/cakes-on-sticks.html - now it's pies on sticks. Carol Hilker's new book Pie Pops has the low down.
The Cafe business for the professional operator - keeping up to date with what's new and interesting - written by Paul Cottrell, Turpin Smale Catering Consultants