How chicken got big. Dr Chris van Tulleken unwraps the forces that shape what we eat. Listen and subscribe on BBC Sounds - just search for Fed with Chris van Tulleken.

In the One Dish Christmas special, chef and author Yotam Ottolenghi cooks Andi Oliver one of his favourite festive feasting dishes - a stunning platter of roasted aubergine drizzled with sunshine yellow saffron-infused yoghurt and jewel-like pomegranate seeds. It’s technically a side dish, yes....