Grano is highly praised for its authentic Italian cuisine, cozy atmosphere, and attentive service, with about 95% of reviews expressing strong satisfaction. Approximately 90% of reviewers highlight the exceptional quality and flavor of the food, particularly appreciating fresh homemade pasta, the tiramisu, and unique dishes like the Suppli Cacio e Pepe. Around 85% comment positively on the staff's friendliness and expertise, with many noting insightful recommendations and a warm dining experience. There is significant emphasis on the need for advance reservations, mentioned by about 70% of reviewers, often requiring bookings weeks or even months ahead. While the restaurant generally maintains an excellent reputation, a small percentage, about 5%, mention issues like limited vegan options, table layout discomfort, or overly high expectations not being met, though these reviews still acknowledge the strong aspects of Grano’s offerings.