Milk

S1 E3: The journey milk makes from the farm to the factory to your cereal bowl is a lengthy one, involving high-tech machinery, cutting-edge science, and a whole lot of cows. Host Gregg Wallace has exclusive access to one of the largest fresh milk processing plants on Earth to see how it churns out 1.5 million liters a day. Witness the multi-stage process, from separation and pasteurization to testing and bottling. Then join Ruth Goodman and Cherry Healey off-site as they investigate milk's complicated history and its one "upsetting" ingredient.