Shop › Sourdough Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Sourdough $10.00 This sourdough is made with 80% bread flour, 15% whole wheat, and 5% rye flour. It is long-fermented for at least 16 hours. Frequency: One time purchase $10.00 Subscribe Save 20% Sale Price: $8.00 Original Price: $10.00 Every week Add To Cart Added! This sourdough is made with 80% bread flour, 15% whole wheat, and 5% rye flour. It is long-fermented for at least 16 hours.