Smell and taste are the most intimate and evocative of the senses – with a startling power to transport us to other times and places. Reha Kansara recently explored some of her family history in Kenya – and part of her quest centred on a childhood favourite - the delicious potato fritter known as the Maru Bhajia. Would it taste as good in its birthplace in Nairobi? And what else was on the menu during her journeys into Kenya's past?