The Magic of Sourdough Math
Like Duolingo, but for The Magic of Sourdough Math. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free during early access · No credit card · iPhone & Android
Key ideas in The Magic of Sourdough Math
- Measuring by volume tells you the exact quantity of matter in your bowl
- Flour is compressible and traps varying amounts of air
- Mass remains constant regardless of ingredient aeration
- Precise ratios are required for consistent sourdough fermentation
- Scooping packs flour tightly and inconsistently
- Grams provide a precise, objective measurement of mass
- Why volume measurements for flour are unreliable compared to weight
- The conceptual hierarchy of measurement reliability in baking
- The impact of using a scale on recipe repeatability
- Capacity determines if the scale can handle heavy bowls and dough
- Readability/Precision determines the smallest increment the scale can detect
- Grams are a smaller unit of measurement than ounces
- Small ingredients like salt and yeast require high precision to ensure fermentation consistency
- Identify the two critical technical specifications for a bread-making scale
- Explain why gram increments are superior to ounce increments for small ingredients
- Capacity allows for heavy vessels like Dutch ovens
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives The Magic of Sourdough Math the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Why might a single cup of flour weigh 120g one day and 140g the next?
Get it right to open this lesson and 25 more in the app.
Where The Magic of Sourdough Math takes you
Learn how to bake perfect bread by mastering the numbers behind the crust. We will explore how simple measurements turn flour and water into a bubbly, delicious masterpiece.
- 1
Getting Your Tools Ready
- Why We Weigh Instead of Scoop
- Choosing the Right Kitchen Scale
- Understanding Grams and Milliliters
- The Secret of the Zero Button
- 2
The Science of Ratios
- Feeding Your Starter by the Numbers
- What is Baker's Percentage?
- Calculating Water for Sticky Dough
- Measuring Salt for Flavor and Strength
- How Temperature Changes the Clock
- Adjusting Recipes for Bigger Loaves
- 3
Perfecting the Final Loaf
- Timing the Bulk Fermentation
- Measuring Growth in the Bowl
- Checking the Internal Temperature
3 sections · 13 units · 26 levels. Built to play, not to enroll.
You pick the voice
The Magic of Sourdough Math is taught in the The Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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