El TosTaco Regio brings the authentic taste of Mexico to Pasadena, TX! Our menu is filled with various dishes that will excite your taste buds and transport you straight to the streets of Mexico. Mexican cuisine is one of the most diverse and flavorful in the world, with a rich history that dates back thousands of years. From the crispy bite of perfectly made tacos to the smooth richness of tortas, every dish is crafted with care and attention to detail.