any visit to a thomas keller restaurant would be exciting, but ad hoc in napa has a little twist that kindled our interest: there is one pre fixe menu every evening, so you have no choice in your order other than wine pairings. the menu is presented in a file folder, which made the office-supply-loving neurons in my brain do a disco dance. well done, mr. keller. bread. the brightly lit space, stainless steel tabletops, pale woods and flurry of servers dressed in chocolate brown uniforms combined with pig centric decor came together for a modern-tinged-with-farm look. the place was hopping when we arrived, and nearly every table was filled with diners. it’s popular, and after our experience, evident why reservations are required. the pre fixe menu includes four courses: a salad followed by the main course, then cheese, and wraps up with dessert. this is certainly an upscale place with impeccable service, but the file folders and familystyledining make the entire experience casual and