Store › Whole Wheat Sourdough Loaf Image 1 of 2 Image 2 of 2 Whole Wheat Sourdough Loaf $12.00 Mixture of high protein bread flour and whole wheat flour, salt, filtered water and sourdough starter (yeast culture) Quantity: Add To Cart Added! Mixture of high protein bread flour and whole wheat flour, salt, filtered water and sourdough starter (yeast culture)