Shop Sourdough › Lemon Blueberry Sourdough Loaf Image 1 of 3 Image 2 of 3 Image 3 of 3 Lemon Blueberry Sourdough Loaf $15.00 Ingredients: Active sourdough starter, salt, granulated sugar, bread flour, blueberries, lemon zest. Add To Cart Added! Ingredients: Active sourdough starter, salt, granulated sugar, bread flour, blueberries, lemon zest.