This has probably been discussed in some form, but I have no idea what search terms to use to find it. I know that Chinese is considered to be a very well-developed cousine in Toronto, but who are the #2, #3? Thai, Vietnamese, Indian, Italian, Portuguese, or something else? Just for the sake of discussion excluding western cousines like French.
For clarification, I would consider an ethnic cousine well-developed if I can get an experience in Toronto that approximates what I would get if I went to that country both in terms of authenticity and quality.