What an adorable little oasis!
My friend took me here for brunch the other weekend during my trip to Toronto. It's perfectly "instagrammable" - with adorable decor and colorful walls. It took 30 min or so to get in to the bar (we didn't have reservations beforehand). I highly recommend making reservations beforehand!
The coffee drinks were amazing and it's a great spot to just hang out. My friend got the wrong brunch meal and when she finally told a staff member (she felt bad asking them because it looked so good) they apologized right away and brought her a new meal.
Make it a point to stop here on your next trip to Toronto! Perfect embodiment of the "French 75" aesthetic and a great Sunday brunch spot.