and beans on a daily basis as Robledo had wanted. In response, the cousins changed the name of their restaurant to Alberto's, which started a series of spin-off restaurants in the southwestern United States that use some variation of the "berto" name. More relatives and friends immigrated to the United States from the Robledos' home state of San Luis Potosí, and they continued to branch out with their own restaurant variations of the "berto" name. Roberto's Taco Shop became successful starting in the mid-1970s, becoming a well known chain in San Diego. Roberto and Dolores Robledo split up in 1979, but remained friends and business partners. Roberto Robledo moved to the Las Vegas Valley in 1990 and opened the first of numerous Roberto's locations in the area that year. Like in San Diego, Roberto's also became a popular chain in the Las Vegas area. The chain also expanded to Miami. In May 1999, a location opened in the Miami-area city of Hialeah, Florida. Roberto Robledo died a month later. At the time, Roberto's had 60 locations, including 30 in San Diego County and 30 in Nevada and Miami. In 2007, the chain expanded to several California communities, including Encinitas, Leucadia, Mission Valley, and Solana Beach. Four years later, Roberto's had plans to expand into Orange and Imperial County in California. As of 2014, there were 48 Roberto's locations in and near Las Vegas, including a location in Mesquite, Nevada. In 2016, Roberto's opened its first northern Nevada location, in Reno. The Robledo family had first considered a Reno location five years earlier, after getting frequent emails from customers requesting a location there. Dolores Robledo died in July 2020, after a brief illness. At the time, the chain had 77 locations, with more than 50 in southern Nevada. In August 2020, Roberto's opened a restaurant in Sparks, Nevada, marking its third location in northern Nevada. Various robberies have occurred at Roberto's locations, both in California and Nevada. Most locations operate 24 hours a day, every day of the year. In Las Vegas, the restaurants are especially popular among late-night partiers. Products Roberto's sells Mexican food items such as tacos, rice and beans. Popular items include taquitos, bean burritos, and carne asada burritos. The burritos are known for their large size. Roberto's is sometimes credited with introducing the California burrito, which is stuffed with French fries. Lard is a common ingredient in