Gregg Wallace visited Denby's famous Derbyshire pottery to see how the company makes its best-selling Halo mugs, and try his hand at creating one of his own.
First broadcast on BBC2 at 9pm on Wednesday 2 February, Inside the Factory: Mugs will be available to watch on BBC iPlayer shortly after broadcast.
Read about the award-winning turnaround of the business in our Denby case study.