The Crumb Lab was built from a simple premise: sourdough baking deserves better tools than guesswork. After years of experimenting with flour blends, hydration levels, fermentation times, and temperature adjustments, we created a studio where every element — from the calculator to the recipe book to the scheduling guides — works together to help you bake consistently great bread.
What We Do
We create tools and guides for sourdough bakers at every level. Our baking calculator helps you design flour blends, visualize hydration ratios, and auto-generate baking schedules tailored to your kitchen temperature and available time. The recipe book features curated artisan breads, discard recipes, and breakfast items — each one tested and refined.
The blog covers everything from fermentation science and flavor development to practical scheduling methods for different lifestyles. Every article is written with the goal of helping you understand why sourdough works, not just how.
Our Philosophy
Sourdough is deeply personal. The flour you choose, the starter you nurture, the temperature of your kitchen — all of it shapes what ends up on your table. We don't believe in one-size-fits-all recipes. Instead, we provide frameworks and tools that adapt to your conditions, so you can develop an intuition for timing, hydration, and fermentation that's uniquely yours.
We focus on artisan techniques — high-hydration doughs, long cold proofs, heritage grains, and natural leavens — because we believe sourdough should be rewarding, not rushed. Every loaf is a conversation between you and your starter.
Built for the Community
The Crumb Lab is designed for the artisan community — whether you're baking your first loaf or your hundredth, there's something here to make your process smoother and your results better. We update the tools, recipes, and guides regularly based on feedback from bakers who use them every week.
If you have suggestions, questions, or just want to share how a particular recipe turned out in your kitchen, we'd love to hear from you. Reach out through the contact page — no personal info required, no tracking, just bread talk.