Arturo Reyes and his best friend, Mark Rubio, were leaving a Naughty by Nature concert in Las Vegas in late 2018, when Rubio’s nephew called at 2 a.m., from Texas. The young man was speaking in a hurried, excited manner. It was difficult to hear him, but one question came through: “Hey, Tío, does Art still make that delicious queso?” Rubio switched the call to speaker and heard his nephew tell the two men that their families were confident enough in Reyes’s recipe to sign up for the Quesoff in Austin. The day of the contest, Reyes arrived with his family’s decades-old chile con queso recipe: a mixture of restaurant-quality white American easy-melt cheese, roasted Anaheim chiles, poblanos, onions, tomatoes, jalapeños, cilantro, and a blend…