My Review of Buffalo Vegan Diner, a new vegan spot in East London with an epic weekend brunch menu, providing fantastic value and delicious breakfast classics – all veganised.   Where: 171 Mare Street, London E8 3RH   Website: http://buffalodiner.co.uk/ Instagram: http://www.instagram.com/buffalovegandiner/ Menu: http://buffalodiner.co.uk/menu   CHECKED OFF …