Food lovers and cooks will have plenty to explore at this year’s Los Angeles Times Festival of Books April 20 and 21 on the USC campus. Here’s what we have cooking: Panels and Interviews Saturday, April 20 4 p.m.: Food Memoir: Cooks with Books. Storyteller, historian and Jewish recipe collector Joan Nathan (“My Life in Recipes: Food, Family, and Memories”), France-based cooking teacher and guide Rosa Jackson (“Niçoise: Market-Inspired Cooking from France’s Sunniest City”) and chef, writer and magazine founder Klancy Miller (“For The Culture: Phenomenal Black Women and Femmes in Food: Interviews, Inspiration, and Recipes”) discuss how food can be a main character in our interactions with the world. Free. At USC’s Ray Stark Family Theatre. Sunday, April 21 José Andrés on Nov. 17, 2022, in the Ukrainian city of Kherson, where the chef’s World Central Kitchen was giving away 6,000 food packages a day. (Carolyn Cole / Los Angeles Times) 12:30 p.m.: Ideas Exchange: José Andrés. A conversation with the humanitarian, chef and founder of World Central Kitchen about his work feeding people in disaster and war zones, including the recent tragedy in