IL FORNELLO -  It's a chain in Canada, and it's amazing in what they offer. Was in Toronto this Spring for 5 days, and ate there 4 times. Delicious gourmet GF PIZZA (see pic) - thin crust, cooked in the stone pizza oven on A SEPARATE PAN. (the rest of the pizzas go straight on the stone.) It was delicious. They say they have a steady stream of celiac customers.
I can't remember, I dont think it was a separate menu, but rather a notation that all pasta and pizza items can be made GF.. Anyhow, great place. Love to see this kind of care and focus happen in the US. (This is my first post, so hope this is useful)

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