If Montezuma’s revenge hits about 3 days later?
There’s one real upscale Mexican restaurant that I know of in Dallas - Javiers, on the edge of University Park. Everything else is either Tex-Mex or ‘Southwestern’.
How Montezuma’s revenge started;
May offend some warning.
https://www.youtube.com/watch?v=KT1kNbOhf94