Coffee Technology
Latest articles, industry insights and brewing guides
How to Use an AeroPress: A Quick Animated Guide
Learn how to make coffee with an AeroPress in under a minute—see the full step-by-step method and key settings explained clearly.
How to Spot and Fix Coffee Roaster Exhaust Blockages
Learn how to identify blocked roaster vents and follow a step-by-step method to clear them, ensuring consistent roast quality.
How to Tell If Your Coffee Beans Are Fresh
Smell, look, and break your coffee beans to check freshness. Fresh roasted beans last 6 days, ground coffee just 3.
How to Package Roasted Coffee Beans for Freshness
Learn the best ways to package freshly roasted coffee to preserve aroma, prevent oxidation, and extend shelf life based on roast type and use case.
How Decaffeinated Coffee Beans Are Processed
Learn how decaf coffee is made—three methods remove 94–98% of caffeine, including water, chemical, and CO2 processes. Here’s how each works.
How Specialty Coffee Beans Are Processed: The Key Methods
Learn the three main ways green coffee beans are processed after harvest—natural, washed, and honey—and how each affects flavor.
How to Grind Coffee Beans: Sizes, Tools & Tips
Learn the three standard coffee grind sizes—fine, medium, and coarse—and how to choose the right grinder for your brewing method.
How to Make Authentic Italian Espresso
Learn the essentials of making true Italian espresso, from crema to roast style, with insights into grind, pressure, and brew balance.
How to Choose Fresh Coffee Beans by Sight, Smell and Touch
Learn how to assess coffee bean freshness and quality by smell, appearance, and touch — no need to open the bag.
How to Tell Good Coffee from Bad Coffee
Learn the key signs of quality coffee—color, aroma, grind size, and more—with expert tips to identify great beans.
How to Taste Coffee Gracefully: A Step-by-Step Guide
Learn how to properly smell, observe, and sip black coffee like a pro, with ideal temperatures, flavors, and serving amounts explained.
How to Make 8 Classic Specialty Coffee Drinks
Step-by-step recipes for 8 classic specialty coffee drinks like Royal Coffee, Egg Coffee, and Mexican Sunset Coffee, with exact ratios and techniques.
Key Chemical Reactions During Coffee Roasting
Understand the critical chemical changes—like caramelization, degradation of trigonelline, and cellulose transformation—that shape roasted coffee’s flavor.
How a Standard Coffee Roaster Works: Structure & Function
Learn how a typical commercial coffee roaster operates, from heat transfer to drum rotation, with a breakdown of key components.
The Science Behind Coffee Bean Roasting
Learn how coffee roasting transforms green beans into aromatic wonders through heat, time, and chemical reactions—key to great flavor.
The Key Elements of Coffee Roasting
Learn how roasting transforms green coffee beans and why roasting technique dictates 80% of your coffee’s flavor profile.
How to Make 14 Classic Coffee Drinks Including Macchiato and Affogato Styles
Learn the exact recipes and methods for 14 classic coffee drinks like macchiato, Turkish coffee, and Irish coffee, with measurements for espresso, milk, and flavorings.
22 Classic Coffee Drinks and Bean Profiles Explained
Explore 22 classic coffee types including Brazilian Santos, Colombian Mandheling, and Viennese iced coffee, with flavor notes and preparation details.
How to Make Latte Art at Home in 7 Simple Steps
Learn how to create beautiful latte art like a café barista with just 7 easy steps and some practice.
How to Create Stunning Coffee Latte Art Portraits
Learn how baristas craft lifelike coffee portraits through precise latte art techniques, ratios, and pour control.