Apron Maven Premium Sourdough Starter Culture - San Francisco Style Heirloom Dehydrated With Simple Activation Instructions for Homemade Artisan Bread Baking This dehydrated sourdough starter culture is perfect for bread baking. It is easy to use and requires no refrigeration, making it convenient to keep on hand. Simply follow the simple step by step instructions and you can start baking your own sourdough bread in days. This starter culture produces a delicious, fluffy bread with a unique sourdough flavor. It is also packed with nutrients, including yeast, bacteria, and enzymes, which can improve digestion and boost the immune system. With a shelf life of up to 2 years, you can enjoy fresh sourdough bread whenever you want.