A look at some of the largest food factories in Britain.

Episode 1
Bread
May 5, 2015
Gregg Wallace, Cherry Healey and Ruth Goodman look at the production, science and history of bread in Britain.

Episode 2
Chocolate
May 6, 2015
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.

Episode 3
Milk
May 7, 2015
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.