Jamie Oliver goes on a mission to change the way people think about vegetables, demonstrating a collection of vibrant, hearty and healthy vegetarian dishes that everyone can add to their kitchen. In the first edition, he kicks things off with a cottage pie with a rich gravy and super-fluffy mash, is inspired by Indian street food, then makes a chip butty packed full of flavour and crunch. He goes back to school to meet children who are celebrating vegetables, and makes macaroni and cheese full of greens