Paddy McGuinness and Cherry Healey get exclusive access to some of the largest factories in Britain to reveal the secrets behind production on an epic scale.
Gregg Wallace, Cherry Healey and Ruth Goodman look at the production, science and history of bread in Britain.
Gregg Wallace, Cherry Healey and Ruth Goodman look at Britain's love of chocolate and visit one of the world's largest chocolate factories in York.
Gregg Wallace, Cherry Healey and Ruth Goodman look at Britain's history with milk and visit one of the largest fresh milk processing plants on earth.