Shop › Sourdough Lemon Blueberry Cake Sourdough Lemon Blueberry Cake $18.00 Made with fresh lemon zest and juice, blueberries, and sourdough discard, this cake is packed full of delicious flavors! Made with fresh lemon zest and juice, blueberries, and sourdough discard, this cake is packed full of delicious flavors! Get notified by email when this product is in stock. Quantity: Add To Cart Added!