Phase VI · Espresso, Milk, and Sensory Understanding

Understand espresso variables, describe taste in structured dimensions, and design a recipe of your own.

Chapter 31
What Is Espresso?
How do dose, yield, pressure and time together define an espresso?
MVP
Chapter 32
Dialing In Espresso
Changing one variable at a time, how do you walk toward the shot you want?
Chapter 33
Channeling and Uneven Extraction
Why does water find shortcuts, and what is puck prep defending against?
Chapter 34
Milk and Texture
Steam does two jobs — adding air and heating. How do you control them separately?
Chapter 35
How to Taste Coffee
How is preference different from quality?
MVP
Chapter 36
Build Your Coffee OS
Select, design, brew, taste, diagnose, adjust — can you explain the result?

Phase project · One Bean, Four Cups (Graduation)

Prepare or simulate four deliberately different extractions, record observations and explain the causal differences.