Yotam Ottolenghi is a seven-time New York Times best-selling cookbook author who contributes to the New York Times Food section and has a weekly column in The Guardian. His previous book, Ottolenghi Simple, was selected as a best book of the year by NPR and the New York Times; Jerusalem, written with Sami Tamimi, was awarded Cookbook of the Year by the International Association of Culinary Professionals and named Best International Cookbook by the James Beard Foundation. He lives in London, where he co-owns an eponymous group of restaurants and the fine-dining destinations Nopi and Rovi.

Ixta Belfrage spent her youth dipping her fingers into mixing bowls in places as far-flung as Italy, Mexico, and Brazil. She formally began her culinary career at Ottolenghi's Nopi restaurant before moving to the Ottolenghi Test Kitchen, where she has worked for four years, and contributing to Yotam's columns. She lives in London, where she makes regular guest chef appearances at some of the city's top restaurants.