Like the name suggests, Butter Cream is both a bakery and a diner. The bakery offers donuts, cakes, and other desserts from 5:30am - 6pm. The diner is open from 5:30am to 3pm and features healthy, homemade comfort food. With a private parking lot and convenient location on Jefferson Street, just south of Napa High School, Butter Cream is an established eatery with a long-time place in the history of Napa.