Coffee Knowledge
Latest articles, industry insights and brewing guides
How to Choose Fresh, High-Quality Coffee Beans
Learn how to assess freshness, roast level, and purity when buying coffee beans. Key tips on storage, smell, and ideal purchase amounts.
Coffee Bean Types and Their Flavor Profiles Explained
Explore the flavor, origin, and roast traits of 12 major coffee bean types, from Yirgacheffe to Italian blends.
How to Get Great Milk Foam for Coffee Latte Art
Learn the four key standards for quality milk foam that make latte art possible—surface shine, no big bubbles, consistent temperature, and perfect pour control.
How to Drink Coffee: Etiquette and Techniques
Learn the proper way to hold a coffee cup, add sugar, stir, and taste coffee like a pro with these classic coffee etiquette tips.
Espresso vs Single Origin Coffee: What’s the Difference?
Learn how espresso and single origin coffee differ by roast style, brewing method, and whether they can overlap using the same beans.
Common Latte Art Problems and How to Fix Them
Learn whether manual milk frothers work, how to get smooth microfoam, fix poor milk integration, and master temperature control for better latte art.
What Sugars and Sweeteners Work Best in Coffee?
From white sugar to sucralose, we break down the safety, taste, and science behind every common coffee sweetener — and which ones experts actually use.
12 Key Factors That Affect Your Espresso Shot
Discover the 12 technical elements—blend, roast, grind, dose, and more—that determine your espresso’s flavor, body, and extraction quality.
How to Operate an Espresso Machine: Step-by-Step Guide
Learn the essential steps for operating an espresso machine, from warming cups to timing the 25–35ml shot over 20–30 seconds.
How to Steam Milk for Latte Art with an Espresso Machine
Learn the essential steps for steaming milk with an espresso machine to create microfoam perfect for latte art, including temperature control and steam wand technique.
How to Steam Milk for Coffee: 4 Key Techniques
Master milk steaming for espresso drinks with the right temperature, vortex technique, steam wand choice, and proper milk tapping.
How Coffee Flowers Bloom: Anatomy and Pollination
Learn how coffee flowers grow, their petal count, and how pollination works for arabica varieties. Key details on flower structure and reproduction.
Why Children Should Not Drink Coffee: Health Risks Explained
Coffee affects children’s brain development, calcium absorption, and organ function. Here’s what research and experts say about kids and caffeine.
What Does a 90+ Cupping Score Really Mean in Coffee?
Learn why a 90+ cupping score is exceptionally rare and what makes coffees like NinetyPlus’s so highly rated in specialty coffee.
5 Common Milk Frothing Mistakes in Latte Art
Avoid these five common mistakes when steaming milk for latte art to improve texture and achieve better foam control.
What Is Blue Mountain Coffee and Why Is It Special?
Learn what makes Jamaica Blue Mountain coffee unique — from its strict production rules to its rare flavor balance and elite status.
How Coffee Cupping Reveals True Flavor Profiles
Learn how professional cupping evaluates roasted coffee flavor through standardized steps like dry aroma, wet bloom, and slurping extraction.
Best Coffee Times: What to Drink and When
A structured coffee schedule helps you choose the right brew—espresso, latte, or macchiato—for energy, focus, or relaxation throughout your workday.
What Is Mandheling Coffee? The Truth About Indonesian Mandheling
Learn what Mandheling really means, how it differs from Golden Mandheling, and why aged versions develop unique spice and sweetness profiles.
How to Judge a Good Espresso Shot
Learn the key signs of a well-brewed espresso: crema, balance, extraction time, and taste. Here’s how pros evaluate a shot.