The Modern Barista's Craft
Like Duolingo, but for The Modern Barista's Craft. 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 Modern Barista's Craft
- Small particles pack tightly with very little space between them
- Fast water doesn't have enough time to pull oils and sugars out
- Tight packing creates more resistance against the water pressure
- Under-extracted coffee tastes thin, watery, and sour
- How grind size physically regulates water flow
- The flavor consequence of a fast-flowing shot
- Powder-like grounds can block the tiny holes in the filter basket
- A 'rushing' stream indicates the gaps between grounds are too large
- Water will always take the path of least resistance or stop if blocked
- Visual cues for a grind that is too coarse
- Pale, watery color suggests the water is moving too fast to pick up body
- Why extremely fine grinds can choke a machine
- Adjusting the grinder to a smaller setting slows the flow
- You must purge the old coarse grounds before testing the new setting
- Coarse particles let water rush through easily
- Fine particles create a dense barrier for the water
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 Modern Barista's Craft 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 your espresso gushes out of the machine too quickly, what is the most likely result for the liquid in the cup?
Get it right to open this lesson and 179 more in the app.
Where The Modern Barista's Craft takes you
Move beyond basic brewing and master the variables that define a world-class cup. Learn to diagnose flavor profiles, manipulate texture, and manage a high-volume bar with professional precision.
- 1
Dialing in for Consistency
- The Relationship Between Grind Size and Flow Rate
- Using a Scale to Control Yield and Strength
- Identifying Sourness vs. Bitterness in Espresso
- Adjusting Temperature for Different Roast Levels
- 2
Advanced Milk Dynamics
- The Science of Microfoam and Protein Breakdown
- Temperature Precision for Natural Sweetness
- Pouring Complex Patterns: Rosettas and Swans
- Stretching Alternative Milks for Better Texture
- Managing Milk Waste in a Busy Environment
- 3
The Workflow of a Professional Bar
- The Art of the 'Mise en Place' Behind the Machine
- Sequencing Multiple Drinks for Speed
- Communicating with the Floor and the Customer
- 4
Sensory Training and Palate Development
- Navigating the Coffee Taster's Flavor Wheel
- Understanding Acidity, Body, and Aftertaste
- The Impact of Water Chemistry on Flavor
- Blind Tasting to Remove Brand Bias
- Describing Coffee to Customers Without Jargon
- 5
Manual Brewing Mastery
- Controlling Agitation in Pour-Over Methods
- The Role of Filter Paper Density
- Immersion vs. Percolation: Choosing the Right Tool
- Bypassing and Dilution Techniques
- 6
Equipment Maintenance and Troubleshooting
- Deep Cleaning Group Heads and Steam Wands
- Calibrating and Cleaning Burr Grinders
- Identifying Common Machine Malfunctions
- The Importance of Gasket and Screen Replacement
- Managing Water Filtration Systems
- Daily vs. Weekly Maintenance Schedules
- 7
The Journey from Seed to Cup
- How Altitude Affects Bean Density and Flavor
- The Impact of Washed vs. Natural Processing
- Understanding Varietals and Their Traits
- Ethical Sourcing and Fair Trade Realities
- 8
The Physics of Extraction
- Solubility and the Stages of Extraction
- Channeling: Why Your Espresso Tastes Uneven
- The Role of Pressure and Pre-infusion
- Degassing and the Importance of Roast Dates
- Measuring Total Dissolved Solids for Precision
8 sections · 36 units · 180 levels. Built to play, not to enroll.
You pick the voice
The Modern Barista's Craft 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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Start The Modern Barista's Craft today.
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