There are a few Zizzi restaurants in Edinburgh: Old Town, Edinburgh Quay, Ocean Terminal and Queensferry Street. As a decent chain restaurant, there is always a good chance they will cater well for gluten free.
I went for an evening with a group of friends to the Old Town restaurant. Even in January the restaurant was pretty busy, but the service was good and the choices for gluten free are excellent. As with other places, they give you a rather extensive book about allergens, but there is also a copy of the menu with all the GF items on it. The choice is pretty good and includes pastas, risottos and even pizza and it is all catered for with no fuss.
I had an excellent seafood risotto and really the choices are good. My risotto had a tasty soupiness to it, with some (non-chewy) squid, plump mussels and delicious prawns. It was a good quality and very delicious rissotto, that was also suitably filling for a January evening. This would be a great place to bring a child as it is lively and busy, but there is clearly thought and care going into the allergen side of things.
As always, the pudding choices were also pretty good (no more ice cream please!!), and I could have had a chocolate pudding with a gooey middle or a chocolate torte. My risotto had filled me up though, so there was no room to try these tempting puds.
The Roxburgh Court Zizzi has a great view across the city and is in the same development as the fab Devil’s Advocate pub and the really gorgeous five star apartments at Old Town Chambers. This is a nice bit of town the combines old and new really stylishly and although the Zizzi at Ocean Terminal has the feeling you are about to embark on a voyage and has amazing views too, I think this one is my favourite.