Onions and their flavourful relatives feature prominently in cuisines across the globe, with a history of cultivation that goes back thousands of years. Onion recipes have even been found on the cuneiform tablets of Ancient Babylonia. So, what is happening under the skin of this many-layered bulb to make it such a versatile and essential ingredient?

The cost of eating

Exploring culture through food. Each week Jonathan Green serves up a new dish or ingredient, uncovering the rich layer of stories, traditions, and innovations behind it. From the origins and cultural significance to the science and economics of food, we explore how what we eat shapes and is shaped by our world. From humble street food to gourmet delicacies, discover the fascinating narratives that make every bite a story worth telling.