South American cuisine pizza, being closer to calzones. Pasta and polenta are common in Argentina and on the Pampas generally. Empanadas and choripán are very popular fast food in Argentina and Uruguay. Churros, ensaïmada, alfajor, Spanish tortillas with potato, meatballs, sopa de mondongo, and puchero are Spanish derived Pampas cuisine. Mate is also found on the Pampas. Early South American restaurants in the United States included Caso do Brazil in Reseda, California, which opened in 1955, and the Machu Picchu nightclub in Miami, Florida, which opened in 1963, serving Peruvian dishes such as ceviche and anticuchos. South American foods are increasingly imported into
South American Rugby Championship for those years. In 2018, the format of the tournament was changed once again: six teams (Argentina, Brazil, Chile, Colombia, Paraguay and Uruguay) would play in the top division, which was renamed to "South American Six Nations". Argentina is the most dominant nation at the South American Championships, winning 34 of 40 editions, as well as the two editions of the CONSUR Cup, and the two editions of the Sudamérica Rugby Cup. Uruguay won the tournament four times (1981, 2014, 2016 and 2017), while Chile (2015) and Brazil (2018) won the South American title once. The first edition of the