New Orleans' Culinary Gumbo

From French colonists who settled here 300 years ago to Vietnamese immigrants arriving in the 1970s, newcomers to the Crescent City have made significant contributions to the evolution of New Orleans cooking. On this week's show, we celebrate the ways immigrants continue to shape the city's culinary identity. We begin with Arvinder Vilkhu and his son Ashwin, who recount the story of their…