This recommendation was emailed in by Karen of Avoiding Milk Protein.
From what I can tell, this is an order-only bakery, not a storefront, but they do have a great deal of offerings: Cakes, cupcakes, cookies, biscotti, and squares – all gluten-free, dairy-free, nut-free, and kosher!
Location: 920 Caledonia Road Unit 1C, Toronto, Ontario
Phone: 416-781-9191
Website: www.goodbyegluten.com