Jay Rayner and the team are in Lewes for this episode of the culinary panel programme.
Taking questions from a local audience are Masterchef winner Tim Anderson, food scientist Peter Barham, restaurateur Henry Dimbleby and chef Sophie Wright.
The menu this week features spinach, kohlrabi, Japanese vegetables and beer, as well as tips for quick and easy lunches if you're working from home.
Food Consultant: Anna Colquhoun.
Produced by Peggy Sutton.
Assistant Producer: Darby Dorras.
A Somethin' Else production for BBC Radio 4.