Moules grillées à la façon de Jacques-Yves

• 6 lb (3 kg) mussels

To Clean and Beard the Mussels

1. Wash the mussels thoroughly under cold running water.
2. Scrape each one free of barnacles and seaweed, until they sparkle like black pearls.
3. Rip off the fibrous beard which protrudes between the shells.
4. Push each mussel sideways between finger and thumb – if it won’t budge, it is not full of sand, so go