You can contact DLP on: Tel. (33) (1) 64 74 39 78 :Tel. (33) (1) 64 74 39 61 or by emial: dlp.dietetique@disney.com
They have dietitians who will give you a list of foods that you can eat in each restaurant or if there is something that you would really like they can arrange to have it made specially for you.
There is no charge for this service and the food is great, I have found it to be better than WDW.