The term Tex-Mex entered the American vernacular in 1875 about the Texas Mexican Railway, which was abbreviated as TexMex. In the 1920s, the hyphenated form was used to describe the railroad and people of Mexican descent born in Texas, and eventually, it became synonymous with the Mexican food of the area. If you love Tex-Mex food or even if you have never tasted Tex-Mex you are guaranteed to fall for the savory deliciousness that makes it one of the most popular foods around. There is truly nothing like it and that's a good thing!The term Tex-Mex entered the American vernacular in 1875 about the Texas Mexican Railway, which was abbreviated as TexMex. In the 1920s, the hyphenated form was used to describe the railroad and people of Mexican descent born in Texas, and eventually, it became synonymous with the Mexican food of the area. If you love Tex-Mex food or even if you have never tasted Tex-Mex you are guaranteed to fall for the savory deliciousness that makes it one of the most popular foods around. There is truly nothing like it and that's a good thing!