Café Ruban Bleu is described as a small, cozy café that delivers a warm and natural welcome, with friendly staff and a menu built around fresh, farm-sourced products and homemade items such as sandwiches, pastries and beverages, including seasonal drinks and a pistachio milk latte. The ambiance is noted as calm and stress-free, with a well decorated space on the edge of the road and about twenty interior seats plus options to dine inside or outside, making it a convenient stop in Mercier. It is frequently portrayed as a gem compared with larger chains, offering high quality coffee, tasty sandwiches, and delicious items like beurrasse with onion confit, with references to it feeling like a must-visit and to the freshness and flavor of the products. A few comments mention limited hours, with a wish for afternoon, evening and Sunday openings to work or study, but overall the reviews converge on Café Ruban Bleu as a charming, delicious and reliable spot that invites return.View restaurant profile