Michelin-starred chefs make meal for 5,000 entirely from ingredients rescued from bin to encourage people to throw away less food.
A new French law demands that restaurants indicate to clients whether their food is homemade or prepared industrially off-site.
France has caught up with Japan in the number of restaurants having three Michelin stars in this year's edition of the celebrated food guide.
Producers, food processors, distributers, supermarkets and representatives from the food industry meet to discuss growing scandal.
Former President Jacques Chirac once dismissed a country that eats so badly, but now the French are developing a taste for (some) British food.