A living bridge to San Francisco's legendary sourdough tradition, this 233-year-old starter culture brings authentic fermentation and artisan character to your home kitchen. Cultivated with care and ready to transform flour and water into extraordinary bread. 🍃 At a Glance Heritage 233-Year-Old San Francisco Culture Form Fresh Organic Starter Size 3.5 Ounce Certification Certified Organic 🌸 Ingredients Story 🌾 Ingredients StoryCrafted from fresh flour and water, this living culture contains active wild yeasts carefully cultivated over centuries to develop the distinctive tang and texture San Francisco sourdough is known for. 🥖 Artisan FermentationEach feeding awakens the dormant culture, building complexity and flavor through natural fermentation—the foundation of traditional sourdough baking. ✨ Heritage & ReliabilityTrusted by both beginners and experienced bakers, this starter offers consistent performance and the unmistakable character of genuine San Francisco sourdough. 🌿 Organic⏳ Heritage🥖 Authentic ☕ Brewing Guide 🌊 Activation Remove from refrigeration and allow to warm to room temperature 🍽️ Feeding Ritual Discard a portion, then feed with fresh flour and filtered water in equal measure ⏰ Rest Period Allow 4-8 hours or overnight at room temperature for active rise and aroma development 🔄 Maintenance Refrigerate between uses and feed weekly for consistent wild yeast performance 🍯 Pairs Beautifully With 🍞 Classic Sourdough BouleBuild a traditional round loaf with deep flavor and open crumb structure using this living culture 🥐 Sourdough FocacciaCreate rustic, dimpled flatbread that showcases the tangy character and tender texture this starter imparts 🥯 Sourdough BagelsDevelop chewy, flavorful bagels with the distinctive sourness and structure this heritage culture provides 🎯 Made For This starter is designed for anyone drawn to the craft of sourdough baking—from curious beginners to devoted artisans. It transforms simple flour and water into bread with the authentic complexity and character of true San Francisco sourdough. — Why We Selected This —Living Dough's verified 233-year-old culture carries genuine heritage into your kitchen, offering reliable fermentation and the distinctive flavor profile that defines this iconic style. Each feeding connects you to centuries of baking tradition through active, living yeasts. 📦 Product Details Brand Living Dough Form Fresh Weight 3.5 Ounce Certification Certified Organic Culture Origin San Francisco Heritage Strain Statements regarding traditional tea benefits are not evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. ↩️ 30-Day Returns Unused items, 30 days. Damaged, wrong, or lost made right. 🔒 Secure Checkout Encrypted payment, trusted by Shopify. 📦 Tracked Shipping Every order ships with tracking. Why Home Cooks Choose SERA ✓ Hand-CuratedEvery tool & ingredient is selected for quality — not mass-listed. ✓ Café & Kitchen GuidanceClear how-to notes so you get great results at home. ✓ Real SupportQuestions? Our team replies within 24–48 hours. 📬 Shipping & Delivery: Your order ships with tracking and a confirmation email. Delivery times vary by destination. Easy 30-day returns on unused items — plus damaged, wrong, or lost orders made right.