Well, I finally made it to Cora's Breakfast in Cambridge (on Hespeler Road). I had heard through the grapevine that they had buckwheat crepes, so I was looking forward to seeing if they were gluten-free.
Unfortunately, they are not and they do contain gluten. Also of note: the breakfast sausage contains gluten as well.
However, the breakfast was still incredible. There are plenty of dishes that celiacs can enjoy, including omelettes, fruit bowls, etc. (Their fruit creations are amazing!)
A little tip: get there early, as by 9:00 am on a Saturday they already have a lineup!