Food & DrinkThe ProfessorBeginner
How to Taste Coffee, a free food & drink course on Tomo

How to Taste Coffee

Like Duolingo, but for How to Taste Coffee. 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.

20 levels across 3 sections, about 40 minutes end to end, roughly 8 days at five minutes a day. It moves through Awakening Your Palate, Evaluating Like a Cupper, and Where the Flavors Come From. It starts from scratch.

20 bite-size levelsAbout 5 minutes each

Free forever · No credit card · iPhone & Android

Toby the Toucan, the guide who teaches the How to Taste Coffee course
How to Taste Coffee
with Toby the Toucan
20
Levels
3
Sections
5
Min/day
What you'll learn

Key ideas in How to Taste Coffee

  • Coffee beans are the seeds of a fruit, so high-quality beans naturally hold sweetness and floral or fruity notes
  • Over-roasting and poor beans create the harsh, uniform bitterness people associate with cheap coffee
  • Tasting notes like berry or honey aren't added syrups; they come from the bean itself
  • Extreme heat burns the tongue and numbs taste buds, masking subtle flavor compounds
  • Letting coffee cool toward warm or body temperature makes sweetness and delicate acidity much easier to perceive
  • Professional tasters deliberately wait several minutes for a brew to cool before evaluating flavors
  • Slurping mixes air with the coffee, turning it into a fine mist that coats all taste buds evenly
  • Aerating the liquid forces aromatic vapors up into the nasal passage from behind the mouth
  • A regular sip pools on one part of the tongue and limits how much aroma reaches the nose
  • Sourness presents like citrus fruit: immediate, tangy, and triggers salivation
  • Bitterness presents like dark chocolate or tonic water: slow, clinging, and lingering at the back
  • The tongue only detects five basic tastes, while specific flavors rely entirely on smell
  • Exhaling through the nose while swallowing pushes coffee vapors directly up to the scent receptors
  • If you hold your nose while drinking, peach notes and chocolate notes will both taste like generic warm liquid
  • In coffee tasting, acidity describes a crisp, lively sparkle akin to biting into fresh green apples or berries
  • Sourness usually signals under-extraction or defective beans, whereas acidity is a desirable trait
Why not just Google it

You've tried the other tabs

Wikipedia

Thirty open tabs. Four facts you actually kept.

YouTube

You watched. You nodded. By Sunday it was gone.

ChatGPT

One answer, then back to scrolling.

Online courses

Eight weeks. You meant to finish. You didn't.

Tomo gives How to Taste Coffee 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.

Try a question

Here's what playing it feels like

A real question from this course. Take your best guess.

Unlocking Flavors Beyond Bitter

Where does that harsh, flat bitterness in cheap diner coffee usually come from?

Get it right to open this lesson and 19 more in the app.

Course map

Where How to Taste Coffee takes you

Unlock the hidden flavors inside your daily mug. Learn to spot tasting notes, slurp like a professional cupper, and discover why your coffee tastes fruity, chocolatey, or bitter.

  1. 1

    Awakening Your Palate

    • The First Sip: Beyond Bitter
    • The Big Three: Acidity, Sweetness, and Body
  2. 2

    Evaluating Like a Cupper

    • Decoding Flavor Notes and the Wheel
    • Setting Up an At-Home Cupping
  3. 3

    Where the Flavors Come From

    • How Roasting Alters the Flavor Profile
    • Origins, Altitude, and Processing
    • Diagnosing Your Brew by Taste

3 sections · 7 units · 20 levels. Built to play, not to enroll.

How it's taught

You pick the voice

This course
The Professor

How to Taste Coffee is taught in the 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 How to Taste Coffee today.

Download Tomo, search How to Taste Coffee, and play your first lesson in under a minute.