Only in the Wine Country would your local pastry chef, in this case Andrea Koweek, have honed her skills at The French Laundry. Much of what she bakes—croissants, cupcakes, mini-Bundt cakes, brioche sweet buns with ricotta and blueberries, chocolate sea-salt cookies—is so cute, it's difficult to take that first bite. Bacon, egg, and cheese pies for breakfast and sandwiches for lunch are among...