The idea of using Velveeta to make queso was published in a cookbook.
The exact origin of chili con queso is highly disputed, but one restaurant in Arkansas, "Little Mexico," claims to be the first establishment to serve up our beloved cheese dip.
Using Velveeta to make queso dip is an American tradition. Although it didn't gain popularity until later, Velveeta first made its debut in this year.
Queso is a beloved Tex-Mex food. The first modern Tex-Mex establishment popped up in San Antonio, Texas thanks to Otis Farnsworth.