In 'The Fast 800' Dr Michael Mosley brought together all the latest science on intermittent fasting to provide an exciting new programme built around a more manageable 800-calorie fast day. In this companion cookbook, Dr Clare Bailey, and wife of Michael Mosley, has teamed up with cookery writer Justine Pattison to create a collection of delicious, low calorie recipes that are all expertly balanced and easy to make.