Rachel explores new ways to pair chocolate with other flavours. She learns the science of tasting chocolate and makes dishes such as chocolate cardamom meringues.

Rachel Khoo explores the desire for all things chocolatey. She visits Hampton Court to find out how it became a regular drink, and goes on a spiritual journey exploring the healing attributes of cacao.

Rachel Khoo explores why chocolate is so irresistible and creates her favourite indulgent treats; Rachel meets Lana Citron and they explore why chocolate and desire are so entwined.

Rachel visits Stockholm to meet Gustaf Mabrouk and Italian Chef Erica Sang and next, she travels to the famous Pudding Club in the Cotswolds.

Rachel Khoo explores chocolate's fascinating journey from humble bean to delicious bar, with visits to artisan chocolate makers to find out just how the bean is transformed into delicious chocolate.