The enduring culture of wild yeast, thriving for nearly four decades, expertly nourished and dehydrated for extended shelf life. For millennia, sourdough starter has been relied upon for wholesome, organic bread leavening. With naturally present yeast and amiable Lactobacillus bacteria, it bestows a distinctive and delightful taste to baked goods. And it's beneficial for your digestive health. Made with organic wheat flour and a unique wild yeast culture.