Every Saturday, Laurent Mariotte and his guest give you advice, tips and tricks on gastronomy and food.

A useful light on the art of eating well.

Today, learn all about vinegar with our guests David Matheron and Grégory Marchand.

Guests:

- David Matheron,

co-director of Martin Pouret.

- Grégory Marchand,

Michelin-starred chef and owner of Frenchie in London and Paris.