Dr. Maya Shetreat-Klein on dirt, Bee Wilson on eating, Molly Birnbaum on lamb, Katie Parla on Rome, The Sporkful's Dan Pashman.
Yotam Ottolenghi on cookbooks, Tom Sietsema on food cities, Dessa on food politics, Cheryl Sternman Rule on yogurt, ATK on vegan mayo
Rowan Jacobsen on underground tea in Montreal, Martha Cheng on poke, Simon Majumdar on America and its food, America Test Kitchen tests muffin tins
Lynne welcomes new show host Francis Lam, The Perennial Plate in Ireland, ATK on Kitchen Safety, and Hannah Hart's My Drunk Kitchen
Simran Sethi on biodiversity, Matt Goulding on Japan, Molly Birnbaum on alliums, Sam Seneviratne on spice, Alex Stupak on tortillas.
Ragavhan Iyer on potatoes, Joe Yonan on jackfruit, ATK on sourdough starters, Elaine Khosrova on butter, Andrea Cherng on Panda Express
Gordon Edgar on cheddar, ATK's new tips and tricks, Justin Warner's laws, Jennifer Milikowsky on pork, Steve Jenkins on supermarkets.
Toni Tipton-Martin on cookbooks, ATK's Doc Willoughby on Mideast pantry, Madhur Jaffrey on India, Tal Ronnen on vegan cooking, Tim Neville on fondue.
John Tierney on willpower in dieting, Steve Jones on cheese, Molly Stevens on roasting techniques.
Ferran Adria on cooking, Nigella Lawson on celebrating food, Michael Solomonov on Israel, Karen MacNeil on port.