Â鶹¹ÙÍøÊ×Ò³Èë¿Ú

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’.