A little after eight, late for our reservation, we eagerly entered Xni-pec. There was a table with two women directly in front of the door and as we walked in one of the women greeted us warmly, saying, "Welcome!" Besides the two women and the two of us, there was only one other table of four men.
True to his email, the manager had left instructions for the kitchen regarding our visit. We also printed out the list he sent us; I wrote descriptions of each of the items from the pictures and descriptions here in case the menu did not provide them. It did, however, but I was glad I had perused the comments here before we went.
I have little to add to the comments made by those who have already visited this wonderful restaurant. We did have the pollo pibil, something I'm not sure has been mentioned. It was not something to have along with the cochinita pibil (the pork in an assertive marinade) and the queso relleno, as it was delicate in flavor. It seemed bland at first. After waiting a few minutes and tasting it alone, closing my eyes and feeling the flavor, it was very good. But subtle, so it seemed bland next to the other food.
As others have mentioned, the service was very friendly. We ordered in bits a pieces, starting out with the soup (without any offending pasta), then the queso relleno, then a panucho for my partner. We decided to try the pollo pabil next; as we were half way through, the server brought a small bowl of the cochinita pibil, saying, "This is on the house. No one has lived until they have tried this wonderful dish." It certainly was delicious with the nice melding of spices and the meltingly tender quality of the meat.
Shortly after arriving, we we treated to singing, mostly by a spiffily dressed entertainer who had an announcer-like quality to his speaking voice, but also by a relatively inebriated customer who gave a riveting, emotional performance with his wonderful gestures and gravelly voice.
We will definitely go back, given that they did indeed understand all the food restrictions (I give them A for effort, but it will take a day before we know if they were able to follow through, something we realize is difficult). Given how hard they tried to accommodate us, we might even go back if my partner does get sick. We would try to find out what went wrong; it would be a shame to have a restaurant that willing to try and not be able to help them succeed.