Signature Series: Imogen Davis' Foraged Tonic Water

Watch the full video here: https://www.greatbritishchefs.com/sig... Originally in London but now moving to Osea Island in Essex, Imogen Davis co-founded Native restaurant with chef Ivan Tisdall-Downes to celebrate all the wonderful ingredients of the British countryside. Here, she shows us how to make a tonic water completely from scratch, using herbs she's found growing in the UK.