Here's the wiki for a list of notable Canadian inventions (butter tarts and Nanaimo bars are a couple of my personal favouites ):
https://en.wikipedia.org/wiki/List_o...ian_inventions
P.S.: I shouldn't forget poutine, either.
Edit: A later thread that may be of interest:
http://www.chesscanada.info/forum/sh...ki-re-Desserts
Edit2: A later thread that also may be of interest:
http://www.chesscanada.info/forum/sh...ture-of-Canada