CHRIS KRONNER took over the kitchen at Slow Club at the age of 24. He has worked at Serpentine and Bar Tartine, where he continued to hone his burger chops, and after a run of pop-ups he opened KronnerBurger in 2015. He and the restaurant have been praised by writers from Vice, Eater, Food & Wine, and Bon Appetit.

PAOLO LUCCHESI is the editor of the award-winning food and wine section at the San Francisco Chronicle and was a founding editor of Eater. He is the co-author of Flour + Water: Pasta and The Humphrey Slocombe Ice Cream Book. Less