James Martin's Great British Adventure

The chef's countrywide tour brings him to London

The chef's countrywide tour brings him to London, where he stops off for a bite to eat at new restaurant Core owned by Clare Smyth, and visits a knife forge, where he learns the process of making Japanese-style knives. He also heads along the Thames to the village of Bray, home to the Waterside Inn restaurant. Here he catches up with old friends Michel Roux Sr and his son Alain