About The Sourdough Labs

Born from a passion for science and perfected through artisanal craft, The Sourdough Labs combines the precision of a chemistry lab with the creativity of the kitchen. During my PhD in chemical engineering, a pandemic hobby transformed into a deep passion for sourdough baking. Frustrated by the weakness of store-bought starters, I began experimenting with wild yeasts to create a starter that was resilient and reliable.

After years of testing, I created Steve the Sourdough Starter—a strong, adaptable culture with a hint of sweetness. Steve is designed to thrive in any recipe, from quick bakes to long ferments, offering consistent and delicious results every time.

What began as a personal project has flourished into a thriving business. At The Sourdough Labs, our mission is to empower home bakers by providing high-quality starters that make baking sourdough bread a joyful, rewarding experience. Together, we’ll make magic—one loaf at a time!

Our Commitment to Quality and Sustainability

• UK Legislation: We are fully registered with our local authority and operate under a certified HACCP (Hazard Analysis and Critical Control Point) plan. The Sourdough Labs proudly holds a 5-star food hygiene rating, reflecting our dedication to meeting and exceeding all regulatory standards.
• Eco-Friendly Packaging: All food packaging is rigorously certified by the FPA and is fully recyclable. Starters are packed in food-grade, heat-sealed pouches, then placed in protective packaging to ensure safe transportation.
• Freshness Guaranteed: Each starter is labelled with a use-by date of 1 week from dispatch, so you can be confident in its quality upon arrival. Please activate as soon as possible after you receive it as the hungrier it is, the longer it takes to build up.
• Use by: 28/07/26 - Expires 7 days from time of dispatch
• Storage Method: Room Temperature
• Product Name: Wholegrain Sourdough Starter
• Product Weight 50g 
• Hermetically Sealed Product
• Allergens: WHEAT flour (GLUTEN)

Mature Wholegrain Sourdough Bread Starter

Meet Steve: Your Sourdough Baking Companion Since 2020!

Steve is a lively, easy-to-maintain sourdough starter that’s brought joy to countless kitchens. Whether you’re a beginner or an experienced baker, Steve’s reliability and adaptability make creating tangy, artisanal sourdough bread simple and rewarding.

Please Note: A jar is not included with your purchase.

What’s Included

• 50g Live Active Sourdough Starter: Made with certified organic wholegrain flour from Shipton Mills, Steve is freshly packed in a food-safe, heat-sealed pouch, then shipped in a protective envelope to ensure it arrives ready to use.
• Instruction Card: A detailed guide that includes everything you need to know about feeding, maintaining, and baking with Steve, complete with a step-by-step recipe for perfect sourdough bread.
• Troubleshooting guide: All the hints and tips to get it back to full activity after its journey to you.
• Comprehensive Digital Guides: Your purchase also includes access to a full comprehensive sourdough guide, covering:
1. What is a sourdough starter and how does it make bread rise
2. How do different flours affect the starter
3. Why and how do you feed it
4. How can it be stored
5. Why should you discard some of the starter when you feed it
6. How to tell it’s ready to use
7. What to do if my starter isn’t looking healthy

• Over 12 Recipes: From classic sourdough bread to crackers, focaccia, pancakes, pizza dough, and more!
• Video Tutorial: A step-by-step video guide to help you nurture and maintain your starter, ensuring it flourishes in your kitchen.

Why You’ll Love Steve

• Proven Success: Loved by hundreds of bakers, Steve’s reliability and ease of use have earned glowing reviews.
• Perfect for All Skill Levels: Whether you’re new to sourdough or a seasoned pro, Steve is the perfect partner for baking delicious artisanal loaves.

Allergen Information

This product contains wheat (gluten) and is made with organic wholegrain wheat flour. It is not suitable for individuals with wheat allergies, gluten intolerance, or celiac disease.