6 x 500g Biona Rye Sourdough Bread The Organic Wholegrain Rye Bread by Biona is a 500g flatbread made from certified organic rye flour. This sourdough bread is perfect for those looking for a gluten-free option, as it contains only cereals with gluten. With a traditional preparation method and unsliced form, this bread is ideal for those who appreciate the authentic taste and texture of homemade bread. Biona's commitment to quality and authenticity shines through in this delicious and nourishing sourdough loaf.