Not long ago, if you told someone you were vegan you were met with a blank stare or incredulity. Now, vegetables have gone from side dish to star, with plant-based diets satisfying appetites as well as ethical concerns. Kerstin Rogers (@MsMarmiteLover) food writer, blogger and author of V is for Vegan, Andrew Dargue, co-owner of award-winning vegetarian restaurant Vanilla Black and author of Vanilla Black: Fresh flavours for your vegetarian kitchen, and Gaz Oakley, author of Vegan 100 discuss vegan cooking and why it’s here to stay.