Sean Fletcher explores the annual Neath food festival and finds out whether traditional or exotic Welsh cakes are more popular among the visitors. Food journalist Leyla Kazim reveals secrets of tomato growing on a large and small scale, while farmer Jim Smith gets stuck into making marmalade. Ryan Hand tries an experiment to find out whether there is such a thing as ‘brain food'.

Edith Bowman and Colin Murray explore the Nairn Show to find tips and treats among the food stalls, including how to spot the perfect egg and how to choose the juiciest berries. Baker Briony-May Williams discovers bargains when using an app designed to reduce food waste. Farmer Meinir Howells gets to grips with turning rapeseed into oil in Rhuthin, and chef Suzie Lee finds out whether there's such a thing as a healthy bacon sandwich.