The oldest family-owned Mexican chain restaurant in the country is a favorite of local celebrities and city workers alike.. In Short Decorated in traditional Mexican style, vibrant, colorful wall murals and lush greenery greet patrons to this family-friendly restaurant. Since 1918, the Martinez family has been serving enchiladas, tamales, and rice and beans. One of the most popular menu items is the fiesta burrito; filled with spiced beef, charro beans, rice and cheddar cheese and topped with chili con carne or chili con queso, plus pico de gallo. This is also home to award-winning margaritas and salsa.