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French Press Coffee: The Complete Guide to Immersion Brewing
Photo: Shisma / Wikimedia Commons, CC BY 4.0. Summary The French press is one of the world's most beloved coffee brewing methods, valued for its simplicity, durability, and ability to produce full-bodied coffee with rich mouthfeel and pronounced flavor. Despit...
AeroPress: The Complete Guide to Modern Manual Coffee Brewing
An AeroPress coffee maker standing on a mug. Photo: Bean Poet / Wikimedia Commons, CC BY-SA 2.0. Summary The AeroPress is a hand-operated coffee maker. Ground coffee steeps briefly in hot water inside a plastic chamber, then a plunger pushes the coffee through...
Cold Brew Coffee: The Complete Science Guide
Photo: Roland Tanglao / Wikimedia Commons, CC0. Summary Cold brew coffee is coffee extracted with cold or room-temperature water over extended periods, typically 12-24 hours. Unlike iced coffee (which is simply hot-brewed coffee cooled down), cold brew uses fu...
Moka Pot: The Italian Stovetop Coffee Classic
A Bialetti one-cup stovetop espresso maker in aluminium, inscribed "Mini express", "1 tazza" and "design L. Bialetti". Photo: Coyau / Wikimedia Commons, CC BY-SA 3.0. Summary The moka pot is a stovetop coffee maker that uses steam pressure to push hot water up...
Turkish Coffee: The UNESCO Heritage Brewing Tradition
Photo: Serg Dorohoff / Wikimedia Commons, CC BY-SA 3.0. Summary Turkish coffee is one of the world's oldest and most culturally significant coffee preparations — a method developed in the Ottoman Empire over 500 years ago that produces intensely concentrated, ...
Coffee Roasting: The Complete Science Guide
Photo: A S M Jobaer / Wikimedia Commons, CC BY-SA 4.0. Summary Coffee roasting is the transformative process that converts green coffee beans into the aromatic, flavorful brown beans we recognize as coffee. Through controlled application of heat over 10-20 min...
Coffee Processing Overview
Comprehensive guides covering all coffee processing methods and their comparison. Deep-dives on individual methods are in the masterclass books (Washed, Natural, Honey, Anaerobic, Experimental).
Coffee Processing: Washed, Natural, and Honey Methods Explained
Photo: mckaysavage / Wikimedia Commons, CC BY 2.0. Summary Coffee processing is the critical series of steps that transforms ripe coffee cherries into the green coffee beans shipped to roasters worldwide. The processing method fundamentally shapes how the fina...
Coffee Cupping: The Professional Tasting Method
Ethiopian coffee tasters at a Coffee Corps Advanced Cuppers Training Seminar, 20 August 2003. Photo: G. LaRue (USAID) / Wikimedia Commons, public domain, cropped. Cupping is the method the coffee trade uses to smell, taste, describe and score coffee under fixe...
The Coffee Flavor Wheel: How Professionals Describe Coffee Taste
The Coffee Taster's Flavor Wheel is a tool for naming the flavours and aromas a taster finds in a cup of coffee. It was first developed in 1995, redesigned in 2016 by the Specialty Coffee Association of America and World Coffee Research, and is now credited to...
Caffeine: The Science of Coffee's Most Famous Compound
A blue-and-white mug of black coffee on a pale wood-effect table, photographed from directly above. Photo: Yasotha Murugesan / Wikimedia Commons, CC BY-SA 4.0. Caffeine is the reason most people drink coffee, and almost everything written about it in milligram...
Puerto Rico Coffee
All books related to Puerto Rico coffee — regions, history, haciendas, farmers, festivals, and local varieties.
Coffee Processing
Post-harvest processing: washed, natural, honey, anaerobic fermentation, experimental methods, and animal-processed coffees.
Brewing Methods
Espresso, pour over, French press, AeroPress, cold brew, Moka, Turkish, siphon and other brewing methods and techniques.
Coffee Science
Extraction, TDS, grind, pressure, flow rate, water chemistry, temperature, aroma, acidity, body, bitterness, sweetness.
Coffee Equipment
Machines, grinders, brewers, cups — equipment encyclopedias and gear for every setup.
Coffee & Health
Caffeine science, nutrition, wellness, diets, and medical aspects of coffee consumption.
Coffee Origins & Varieties
Countries, regions, species and varieties — from Ethiopia and Colombia to Geisha, Bourbon and Typica.