Waitress pointed me to everything GF on their menu, and they have a lot of tequilas, margaritas, and wine. They make a variety of tacos (specify corn tortillas), several salads, and all of their burgers and tortas, which they will serve on lettuce or without a bun. Most items on the menu are marked that they will be made vegan, or make other adjustments, to order. I had no issues, and I would expect others to be fine, if you make clear what you need.
Waiter was not THAT knowledgeable but he was patient when I explained what I needed- non contaminated surfaces and fryers. And double checked ingredients on all sauces and seasonings. I got the taco salad with ground beef (chicken is on a shared surface). Feel fine so far