dam i havent eaten a donut in years. seriously, i make the in store bakery girls go get the books out and check ingredients regularly, just in case. if anyone knows of a place where i can buy vegan donuts..... on my only trip to the states i found a vegan bakery and it was crazy full of biscuits and cakes and all kinds of things. i made myself feel so grossed out with a sugar high crash low. love to go there again...
I like http://www.quarrygirl.com/.
LA-based, but I'm sure at one point they reviewed a vegan bakery over here.
Ah yes, here you go--a shop that does vegan donuts:
http://www.quarrygirl.com/2010/06/26/vegan-field-report-vx-secret-societ-of-vegans-shop-in-london/
http://www.secretsocietyofvegans.co.uk/shop/
Their supplier is Accidentally Vegan, and here are their doughnuts (sic):
http://www.accidentallyvegan.co.uk/Accidentally_Vegan/Accidentally_Classic.html
But you're Bristol-based, aren't you? You can't order them on-line, unfortunately, only get them at the shop.
But, yes, you can get vegan doughnuts in London. :)