In the Forest of Dean, John learns how Ribena produce their iconic blackcurrant squash. And, deep in the Herefordshire countryside, John visits the Tyrrells crisp factory.

John searches for that quintessentially British staple, tea and biscuits, at the homes of Typhoo and Fox's.

John visits the Ambrosia factory in Devon to get the lowdown on rice pudding. He also learns the secrets of fish pie at the Young's factory in Grimsby.

In Worcester, John explores the secrets of Lea and Perrins' iconic sauce. Then he joins the production line at the Soreen factory in Manchester.