I have to say that this is my favorite brunch spot in Toronto!
Located right on the edge of Yorkville, they have a great menu and delicious food. The atmosphere is relaxing and inviting. The prices are very reasonable. I have never ever had bad service and did I mention that the food is amazing?!!!
I don't think you can make reservations on Sundays but if you go after 12:30-1:00, you shouldn't have a problem getting a table.
I highly recommend both the eggs benedict and the mushroom and goat cheese omelette. Yum!