Buttercream Bakery & Diner is a charming bakery located in Napa, California. It is known for its delectable cakes, cupcakes, and other sweet treats. The bakery offers a wide range of flavors and designs for their cakes, making them perfect for special occasions. In addition to cakes, Buttercream Bakery & Diner also serves a variety of pastries, including cookies, brownies, and pies. The bakery has a cozy diner area where customers can enjoy their baked goods along with a cup of coffee or a milkshake. The friendly staff and nostalgic atmosphere make Buttercream Bakery & Diner a favorite among locals and visitors.