Enjoy the taste of San Francisco with this 400-year-old sourdough starter in a 15-gram bag. This dehydrated food additive is perfect for making homemade bread with a unique sour taste. The starter type is dehydrated and the product is organic, preservative-free, and GMO-free. The sourdough starter is suitable for people with allergies to wheat and eggs, and it contains less than 50 calories per serving. This homemade item is made without any artificial coloring, flavoring, or MSG. With this 15-gram bag of sourdough starter, you can make as many loaves of bread as you want.