The Dried Sourdough Starter is a 150+ year old heritage from San Francisco, packed in a 15 gram bag. This authentic product is a yeast and baking agent perfect for those interested in traditional American cuisine. The sourdough starter is dehydrated and comes with activation instructions, making it easy for anyone to incorporate this unique ingredient into their baking routine. With no artificial flavorings, preservatives, or harmful additives, this product is safe for those with sensitive palates and dietary restrictions. Experience the rich history and distinctive taste of San Francisco's sourdough starter in your own kitchen.