For a Buttery Crust: The Cake Bake Shop's Pumpkin Bars This The Cake Bake Shop's Pumpkin Bars ($90) is topped with a layer of sweet-tart sour cream then finished with spiced streusel for subtle crunch. These bars are handmade by cake experts, so you can'y go wrong with them. Image Source: williams-sonoma.com The Cake Bake Shop's Pumpkin Bars $90 from williams-sonoma.com Buy Now