Brazilian fruits, including jambu and tapereba (lower right), displayed for a gathering of chefs in Sao Paolo. Paula Moura for NPR hide caption

itoggle caption Paula Moura for NPR

A peek inside the kitchen of Next, an early adopter of the ticket system that's replacing reservations at some restaurants. Courtesy of Christian Seel hide caption

itoggle caption Courtesy of Christian Seel

Gene Davis' Apricot Ripple; ArgosIsland's untitled photo submitted via Twitter. Gene Davis/Smithsonian American Art Museum; ArgosIsland/Twitter hide caption

itoggle caption Gene Davis/Smithsonian American Art Museum; ArgosIsland/Twitter

Ricker's grilled eggplant salad with egg and dried shrimp. Austin Bush hide caption

itoggle caption Austin Bush

Chef Mike Isabella, who owns three restaurants in Washington, D.C., came up with the Fit for Hope weight loss challenge for his peers in the restaurant industry. Donald Bowers/Getty Images Entertainment hide caption

itoggle caption Donald Bowers/Getty Images Entertainment

A view inside the kitchen at chef Peter Hoffman's farm-to-table restaurant, Back Forty West, in New York's Soho neighborhood. Simon Doggett/Flickr hide caption

itoggle caption Simon Doggett/Flickr