Hardcover Edition

The Sourdough Framework

Bake bread you're proud of. Stop guessing why your loaves fail. Understand the science, master the technique, and finally get consistent results.

$49.95 USD

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The Sourdough Framework Hardcover Book

Sound Familiar?

😤

Your loaves come out flat and dense, no matter what recipe you follow

🤷

You have no idea if your starter is actually ready to bake with

😩

Every loaf is different and you can't figure out why

Recipes say "until it looks right" but you don't know what "right" looks like

Skip 2 Years of Trial and Error

The hard way

  • 📺 100+ hours of YouTube with conflicting advice
  • 🍞 50+ failed loaves at $4 each = $200+ in flour
  • 😵 2 years of "what went wrong this time?"
  • 🔄 Trying random tips without understanding why

The shortcut

  • 📖 One book. One framework. Complete picture.
  • 🧠 Understand the WHY, not just the steps
  • 🎯 Diagnose problems yourself
  • ⏱️ Weekend of reading → years of knowledge

$50 and a weekend vs. 2 years of frustration

Perfectly shaped sourdough dough ready for proofing

What If You Actually Understood Why?

Most recipes tell you what to do. This book teaches you why it works.

Once you understand the science behind fermentation, you stop following recipes blindly. You start making decisions. You adapt to your flour, your climate, your schedule.

That's when bread becomes fun.

  • Wake up to dough that's perfectly proofed, not over or under
  • Know exactly when your starter is ready to bake
  • Get consistent oven spring and that satisfying ear
  • Actually understand what went wrong when a loaf fails

This Isn't Just Another Recipe Book

Recipe books tell you what to do. This book teaches you why it works.

Typical recipe book:

"Bulk ferment for 4 hours"

The Sourdough Framework:

"Here's how to read your dough and know exactly when it's ready, whether that's 3 hours or 6 hours in your kitchen"

Once you understand fermentation, you'll never blindly follow a recipe again. You'll adapt any recipe to your flour, your climate, your schedule.

Peek Inside

Flowcharts, visual guides, and systematic frameworks - not just recipes

Select any image to zoom in

Get the Book $49.95 USD

What's Inside: The Chapters

Every chapter is also free to read online. The hardcover puts it all on your kitchen counter.

  1. The history of sourdough

    How humans went from gruel to leavened loaves, and why sourdough fed the world for thousands of years before commercial yeast existed.

  2. How sourdough works

    The microbiology that makes bread rise: wild yeast, lactic acid bacteria, enzymes and gluten, and how temperature and time steer them. The foundation every later chapter builds on.

  3. Making a sourdough starter

    Build a starter from nothing but flour and water, understand what each feeding actually does, and learn to read the signs that it is ready to bake with.

  4. Sourdough starter types

    Stiff, regular and liquid starters compared: how hydration changes acidity and aroma, and which type fits the bread you want to bake.

  5. Flour types

    What protein content, extraction rate and grain variety mean in practice, and how to pick flour that works with your dough instead of against it.

  6. Bread types

    Freestanding loaves, pan breads and flatbreads, with the trade-offs of each so you can choose the style that matches your flour, schedule and oven.

  7. Wheat sourdough

    The complete core method, from mixing and bulk fermentation through shaping, proofing and baking, with checkpoints that tell you when the dough is ready instead of fixed clock times.

  8. Non wheat sourdough

    Rye and other low-gluten grains behave differently. This chapter explains the adjustments that make them work.

  9. Mix-ins

    Seeds, nuts, dried fruit and more: how to add them without wrecking your dough structure.

  10. Baking

    Steam, heat management and scoring in a home oven, and why the first twenty minutes decide your crust and oven spring.

  11. Storing bread

    Keep bread fresh for days, freeze it properly, and revive a stale loaf.

  12. Troubleshooting

    Dense crumb, flat loaves, gummy interiors and flavor that turned too sour: a systematic path from symptom to cause to fix.

Hendrik Kleinwächter
About the Author

Hi, I'm Hendrik

I'm a software engineer who spent 10 years obsessively reverse-engineering bread. I've made every mistake, run countless experiments, and documented everything.

I approached sourdough the way I approach code: systematically. Why does this work? What variables matter? What can I control?

The result is this framework. Not opinions. Not "this is how grandma did it." Just science you can apply in your kitchen.

320K+ YouTube subscribers
500K Monthly book downloads
10+ Years of research

This Is What's Possible

Real results from bakers who learned the framework

See What's Inside

What You'll Master

🎯

Never Guess Again

Learn to read your dough. Know exactly when it's ready to shape, when it's ready to bake, and why timing matters.

🌡️

Bake On Your Schedule

Understand how temperature controls fermentation. Fit baking into your life instead of planning your life around baking.

🔧

Fix Problems Yourself

Flowcharts and troubleshooting guides help you diagnose flat loaves, dense crumb, or weak oven spring.

🌍

Adapt Any Recipe

Different flour? Different climate? Learn to adjust hydration, timing, and technique for your specific situation.

🧫

Starter Confidence

Finally understand what a healthy starter looks like, when it's ready, and how to keep it thriving with minimal effort.

🤲

Perfect Dough Development

Stop over-kneading or under-kneading. Learn exactly how much to work your dough for optimal gluten development without wasting time.

📈

Keep Improving

This isn't a recipe book you use once. It's a reference you'll return to as you push your skills further.

What Bakers Say

92 five-star reviews

★★★★★

Perfect for the analytical mind

"I'm an engineer that has become OBSESSED with bread baking - this book not only gives the overall idea of proper bread baking, but I can also totally nerd out & get super detailed understanding when I want it."

Robert Allison Engineer
★★★★★

25 years baking, still learned heaps

"I've been making bread for 25 years, and sourdough for at least 5, but I still picked up heaps of useful hints, and inspiration to try out new things. This has seriously raised my game. My family are all very impressed."

Ulrich Roxburgh Experienced Baker
★★★★★

Decades of baking, finally understood

"I have been baking bread for the family for decades, learned from my grandmother. My sourdough breads have always been rather mediocre. Hendrik's analytical approach has given me insights I have never previously understood and my sourdough breads are now the absolute favorite of the family."

Brad Burlew Home Baker
★★★★★

The sourdough bible

"The author has tried everything and tells you what does and doesn't work and why. The flowcharts are brilliant and makes the entire process easy to follow."

Tim Blyth Home Baker
★★★★★

Absolute game changer

"After watching your YouTube Channel, and struggling with sourdough, I purchased your book. It was an absolute game changer, making and baking amazing bread. Thank you from an ex-struggling sourdough bread maker."

Darren Crawford YouTube Follower

Read all 92 reviews →

Get the Book $49.95 USD

Why the Hardcover?

The entire book is available free online. So why buy print?

  • Made for the kitchen. Lay-flat binding. No holding pages down with floury hands.
  • Built to last. Quality paper with margins for your notes. A reference for years.
  • No screens. No scrolling, no notifications. Just you and the dough.
  • Support free education. Your purchase funds more free content for bakers worldwide.
The Sourdough Framework hardcover book

Common Questions

Is this for beginners?

Yes. The book starts from first principles. No prior experience needed. But experienced bakers find it fills gaps in their understanding too.

Is this different from the free online version?

Same content. The hardcover is a beautifully printed kitchen reference with lay-flat binding and space for notes. Buying it supports free education.

Who wrote The Sourdough Framework?

Hendrik Kleinwächter, the software engineer and baker behind The Bread Code YouTube channel with 320K+ subscribers. He spent a decade reverse-engineering why bread works and turned the findings into this book.

Can I contribute or report errors?

Yes. The book is open source. You can report issues, suggest improvements, or fix mistakes directly in the source on GitHub at github.com/hendricius/the-sourdough-framework.

Where do you ship?

Worldwide from Germany. US, Canada, and Mexico customers can also order via Amazon for faster local shipping.

What if I just want digital?

It's free at the-sourdough-framework.com. PDF, EPUB, and other formats available. No purchase needed.

Ready to Bake Bread You're Proud Of?

Join thousands of bakers who stopped guessing and started understanding.

$49.95 USD