Celebrity chef Samin Nosrat found fame with a Netflix series and a bestselling cookery book called Salt, Fat, Acid, Heat.

The Iranian-American says she is disturbed by the general lack of diversity in mainstream American cooking, though she "doesn't want to represent anyone apart from myself".

You can hear more from her in this episode from The Food Programme on BBC World Service.

A smartphone film by Dougal Shaw.

This video was filmed at The Cookery School at Little Portland Street