Serving up heaping portions of Mexican favorites since 1940.. In Short This Southern chain serves Tex-Mex and Mexican staples to large groups and families who come to gab over unlimited chips and hearty food staples. The Southwestern decor features bright colored walls and thick terracotta-tiled floors. Classic El Chico combinations, around since the company started in 1940, heap tamales, cheese enchiladas and refried beans on one plate. Tex-Mex items represent tastes for fajitas, soft tacos and enchiladas verde.