Le Bouton is highly regarded for its authentic French cuisine and intimate atmosphere. This small, hidden bistro is frequently recommended for those seeking a unique dining experience where the chef's culinary skill is on full display. Approximately 90% of reviewers commend the food as "sensational," "excellent," and "delicate." Popular dishes include the foie gras macaron, duck confit, and a wide variety of desserts. Many appreciate the chef's dedication to fresh ingredients and stable quality. The atmosphere is often described as "cozy" and "authentic," with 85% highlighting the open kitchen concept and the personal interaction with the chef. Service is generally praised as "kind" and "excellent," with flexible portioning for sharing or solo diners. However, about 10% of reviews mention concerns, including long wait times between dishes and an "untransparent" check with unannounced charges for bread and service. Some also found drink prices high and the English menu descriptions difficult to decipher.