Patisserie O Gateries in Longueuil, Montreal, is a charming bakery that prides itself on crafting exquisite, hand-made pastries and desserts. Nestled in the heart of the city, this patisserie is a favorite haunt for locals and visitors alike, known for its delightful array of sweet treats, from classic French croissants to decadent chocolate eclairs, all made with premium ingredients and a touch of culinary artistry.