Science writer Nicola Temple tells us that processed food isn’t just a modern invention responsible for Wonder Bread and Pringles. She breaks down the history of food processing, from the first time our ancestors cooked with fire to the cutting-edge technology of today. Plus, we chat with sixth-generation farmer Matthew Raiford about oyster roasts, reezy-peezy and other staples of Gullah Geechee cuisine; Grant Barrett and Martha Barnette give us their favorite apple-based expressions; and we search Mexico City for the best shrimp taco. Get the recipe for Seared Shrimp Tacos with Tomatoes and Cotija: https://www.177milkstreet.com/recipes/seared-shrimp-tacos-with-tomatoes-and-cotija We want to hear your culinary tips! Share your cooking hacks, secret ingredients or unexpected techniques with us for a chance to hear yourself on Milk Street Radio! Here's how: https://www.177milkstreet.com/radiotips   See acast.com/privacy for privacy and opt-out information.