Everyone at one point in time or an other has, or will have a meal at a restaurant, that they just have to have the recipe for, or try to recreate themselves at home. Depending on what restaurant you are dining at, some will be more than happy to share that recipe with you and others can not because it is against the restaurant's policy.
If you can not get the recipe from the chef, or the manager, or owner of the restaurant, you will more than likely be sitting at your table throughout the rest of your meal trying to taste, identify, and figure out every single ingredient that has been placed...