Ahi Tuna Tostadas Recipe

"Almost a year ago now I attended the opening party for the restaurant Joey Don Mills here in Toronto. While I was there I saw their as of yet unfinished rooftop patio in addition to getting to sample lots of tasty food. Last week I had the opportunity to attend their long awaited rooftop patio opening party and I have to say, the patio looks great and the food was just as good as I remembered it. I got to sample a number of their dishes while I was there and the one that really caught my attention this time..."