Veganistan is a brand new volume from Sally Butcher following the silk trail started by Veggiestan and Persepolis. After the success of bestseller Veggiestan, Sally Butcher continues her gastronomic journey along the Silk Road with Veganistan. In response to many requests in her Peckham restaurant, Persepolis, Sally has created a vegan cookbook celebrating plants and wholefoods with the luscio…