Getting old is not supposed to be fun. But Prue Leith is having a ball. The author and chef talks to Deana Luchia about loving the later years When Prue Leith appears on Zoom wearing her trademark chunky jewellery and brightly framed glasses, she’s immediately chatty, fun and down to earth. She breezily waves off an interruption from her husband, John – who is keen to tell her about a spillage in the kitchen – informs me that exercise is “too boring and takes up too much time