Gregg Wallace steps inside a huge Yorkshire puddings factory in Hull to learn how Aunt Bessie's produces a staggering 500 million Yorkshire puddings every year.
Gregg Wallace visits a jelly beans factory in Dublin to reveal the astonishing processes used to make ten million of these colourful little sweets every day.
Gregg Wallace visits two factories in Italy and Wales to learn how denim cloth is made and then transformed into one of the world's most popular items of clothing - jeans.
Gregg Wallace explores the Dell Ugo factory in Hertfordshire to reveal how it makes 500 million stuffed pasta parcels every year. He's following production of one of their best sellers, crab and crayfish raviolo.
