Rudy Navarrete and volunteers spent their Wednesday afternoon at the Banquet in Sioux Falls making 300 burgers in under six hours. The burger is what Navarrete calls the ‘Juicy Sioux-zy.’ ...

the truck faced a rush of business after a year of burger-selling and events — selling 300 burgers in a single night, which is double or even triple the amount they sold at the start of their ...