Dine In or Cater the Best Tex-Mex or Mexican Food Since 1979, Enchilada's Restaurants have been the destination for Dallas residents who crave true Tex-Mex. The fun atmosphere, huge margaritas, and great food have created a loyal following that has helped Enchilada's expand from its original location to four locations. Enchiladas, The Best Margaritas In Dallas, Texas A must try are the Sour Cream Chicken Enchiladas and the strong Frozen Margaritas, voted BEST IN DALLAS by the Dallas Margarita Society.