This section of the Gourmet Guide website lists all of the best restaurants in Cornwall that offer vegetarian menus. Most restaurants include a small number of vegetarian dishes on their menu but this category lists all the best restaurants that specialise in catering for vegetarians.
You should expect that the restaurants included on this list will include a majority of vegetarian dishes on their menu. They will also have staff that can can provide advise about vegetarian dishes on the menu. So all you need to do is make your reservations!