Learn Coffee
Master the art of brewing through interactive lessons.
Choose your path
Coffee Crisis
Start here if your coffee tastes bad and you need immediate help.
Fundamentals
Learn the core variables and how they interact. Perfect for beginners.
Advanced Brewing
Deep dive into origins, processing, and extraction theory.
� Coffee tastes bad?
Use our interactive troubleshooter to diagnose and fix common coffee problems.
Start TroubleshootingThe 8 coffee variables
Click on any variable to learn how it affects your coffee.
Coffee Dose
The amount of coffee grounds you use for your brew.
Water Temperature
The temperature of water when it contacts coffee grounds.
Grind Size
How finely or coarsely your coffee beans are ground.
Steep Time
How long water and coffee grounds remain in contact.
Roast Level
How long and hot coffee beans were roasted.
Water Ratio
The proportion of coffee to water, usually expressed as ratio like 1:15 (1g coffee to 15g water).
Coffee Origin
Where the coffee beans were grown.
Processing Method
How coffee cherries are processed after harvest to extract the bean.
🎮 Ready to experiment?
Use our interactive simulator to adjust variables and see real-time taste predictions.
Open Simulator🎓 Advanced Topics
Ready to dive deeper? These variables add nuance and complexity to your brewing: