I'm young enough to have missed the era of Tex-Mex restaurants serving tortillas and butter, and I'd rather have the chips and salsa anyway, but this is a curious bit of culinary history I didn't know about.
The Once-Ubiquitous Tex-Mex Appetizer Now Rarely Found in Texas Restaurants
Many fondly remember the dish as a staple of growing up in Texas. There are still a few places that still serve it.
texasmonthly.com