Le Pain Quotidien
Bakery/restaurant overlooking the place Rihour. Things you have for breakfast, lunch or dinner can also be bought here. For instance the delicious bread, the chocolate spread, oil and vinegar and so on. Sit inside at one of the wooden tables or outside on the terrace.
Address: 35 bis, Place de Rihour, tel.: 03 20 42 88 70
http://www.painquotidien.com

Méert patisserie and tea room
Don't miss the oldest and best-known pastry shop of Lille. The specialty is 'gaufre'; waffles filled with vanilla. Adjoining the shop there's a nicely decorated tea room where you can enjoy the delicious sweets.
Address: 27, Rue Esquermoise, tel.: 03 20 57 07 44

Paul's
Another bakery/restaurant. You enter the cozy dining part passing the shop were they sell the most delicious sweets, rolls and croissants. The breakfast is to be recommended.
Address: 12, rue de Paris, tel.: 03 20 78 20 78

l'Huîtrière
If only because of the Art-Decó facade and the beautifully displayed goods (as fish) you should pay a visit. This restaurant is known as one of the best fish restaurants of France.
Address: 3, Rue des Chats Bossus, tel.: 03 20 55 43 41
http://www.huitriere.fr/