Any question answered...

What’s the veggie place in the road off Regents Street where you choose things off a buffet and weigh your plate at the end? Next to the ice bar. That was fun and the food was good (but spendy). (Second set of brackets; I appreciate both of those may have disappeared 10 years ago)

tibits, but it seems to have fallen victim to the pandemic, sadly:

https://www.tibits.co.uk/en/