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) Add To Cart Added! Mixture of high protein bread flour and whole wheat flour, salt, filtered water and sourdough starter (yeast culture)