Potatoes cooked in dripping chicken fat from a rotisserie at the Boucherie Pascal Gosnet on the Rue Mouffetard..Rue Mouffetard is in the Fifth (cinquieme) arrondisement and the street is one of the oldest in Paris. A Roman road, it originally ran from the Roman Rive Gauche city all the way to Italy. Today, the market is famous for it's quality fresh produce and artisanal food shops.