Patty & Bun: You need to try this veggie burger restaurant in London LondonAbbie Tanner20 January 2021restaurant in London, uk travel blog, uk bloggers, most popular places to visit in London, veggie burgers in london, patty & bun, veggie restaurant, cheap places to eat in london, places to eat in london, what to do in london, london travel, veggie burger restaurant in London, vegetarian restaurants in london, vegetarian restaurants, best vegetarian burger restaurants in London