Baking with Yeast: Control the Rise
Master the living mechanics of yeast baking. Learn how flour proteins, sugar concentrations, yeast strains, and atmospheric pressure interact to shape your crumb and rise.
Like Duolingo, but for Baking with Yeast: Control the Rise. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
A short one: 12 levels across 2 sections, about 24 minutes end to end, roughly 5 days at five minutes a day. It moves through Fueling and Directing the Rise and Structure, Gas, and the Environment. It assumes you already know the basics.
Free forever · No credit card · iPhone & Android
Key ideas in Baking with Yeast: Control the Rise
- Active dry granules are coated in dead yeast cells that hold glutathione
- Leaked glutathione acts as a reducing agent that weakens dough structure
- Dissolving active dry yeast in warm water protects gluten extensibility
- Porous instant yeast granules absorb dough moisture without pre-dissolving
- Instant yeast contains roughly 25% more viable active cells by weight than active dry
- Substituting instant for active dry requires reducing the yeast mass by about a quarter
- Fresh cake yeast contains roughly 70% moisture and requires triple the mass of instant
- Cake yeast needs no warm proofing step because its cell walls are already fully hydrated
- Instant dry yeast can be blended directly into dry ingredients without pre-blooming
- Doughs with over 10-12% sugar exert high osmotic pressure that draws water out of standard yeast
- Osmotolerant yeast slows invertase production to avoid flooding the cell with simple sugars
- Standard instant yeast ferments sluggishly or stalls in rich, high-sugar doughs
- Yeast population growth and gas production ramp up non-linearly over time
- Halving the yeast inoculation lengthens proofing far more than a simple doubling of time
- Temperature and initial cell density compound during bulk fermentation
- Up to 5% baker's percentage sugar gives yeast readily accessible fuel before starches break down
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 Baking with Yeast: Control the Rise 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.
If glutathione leaks out into your flour mixture, what does it do to the dough structure?
Get it right to open this lesson and 11 more in the app.
Where Baking with Yeast: Control the Rise takes you
- 1
Fueling and Directing the Rise
- Selecting and Converting Yeast Strains
- Sugar as Catalyst and Osmotic Inhibitor
- 2
Structure, Gas, and the Environment
- Flour Chemistry and the Gluten Web
- Atmospheric Pressure and Altitude Tuning
2 sections · 4 units · 12 levels. Built to play, not to enroll.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Baking with Yeast: Control the Rise is taught in the Professor style: clear, structured, thorough. 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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Start Baking with Yeast: Control the Rise today.
Download Tomo, search Baking with Yeast: Control the Rise, and play your first lesson in under a minute.