Coffee Knowledge
Latest articles, industry insights and brewing guides
Best and Worst Cups for Brewing and Drinking Coffee
Avoid metal, plastic, and certain paper cups when drinking coffee. Learn which materials can affect taste, safety, and health.
How to Drink Specialty Coffee the Right Way
Learn the essential dos and don’ts of tasting and enjoying specialty coffee properly—from first sip to cup choice.
What Is Americano Coffee and How Is It Made?
An Americano is made by diluting a shot of espresso with hot water. Learn the origins, methods, and best beans for this classic coffee.
Why Does Specialty Coffee Taste Sour?
Sour coffee often comes down to roast level, brewing temp, or freshness. Here’s how to fix it.
20 Practical Uses for Coffee Grounds Beyond Brewing
Discover 20 clever ways to reuse coffee grounds, from fridge deodorizer to natural fertilizer, and give spent coffee a second life.
Coffee Plant Biology: Arabica vs Robusta and Beyond
Learn which coffee species dominate global production and how five official coffee varieties differ in origin, climate needs, and cup profile.
How Coffee Professionals Taste Dozens of Coffees Quickly
Learn how coffee professionals evaluate multiple samples rapidly using cupping, the standard method based on aroma, body, and flavor.
The Origins and Global Journey of Coffee
Explore coffee's journey from Ethiopia to global popularity, covering its origins, spread across continents, and cultural impact.
Top 10 Specialty Coffee Origins and Their Flavor Profiles
Explore the flavor, roast style, and origin of 10 iconic specialty coffees including Jamaican Blue Mountain, Ethiopian Yirgacheffe, and Colombian Supremo.
What Is a Real Cappuccino? Specialty Coffee Explained
A true cappuccino has thick foam rising over the cup, a golden crema ring, and a bold coffee flavor. Here’s what makes it authentic.
Why Coffee Layers Happen—and Why They Don’t Matter for Taste
Coffee layering is purely visual, based on ingredient density and pouring technique. Flavor and texture are unaffected, and layered drinks may even taste worse.
Why Roasted Coffee Beans Have a Honeycomb Structure
Japanese research reveals roasted coffee beans form a 10-micron honeycomb interior. This structure affects extraction, taste, and even filter choice.
Essential Coffee Terminology Every Specialty Brewer Should Know
From coffee cherry to espresso crema, learn key specialty coffee terms including processing methods, bean types, roasting stages, and brewing gear.
Espresso vs Drip Coffee: What’s the Difference?
Learn how espresso and drip coffee differ in strength, caffeine, brewing methods, and versatility. Includes key ratios and practical insights.
16 Coffee Facts Every Coffee Drinker Should Know
Find out if coffee stains skin, why black coffee tastes sweet, and how to store beans for maximum freshness. Get answers to common coffee myths.
Best Dairy Pairings for Coffee: Milk, Cream, and Non-Dairy Alternatives
Explore the most common dairy and non-dairy options for pairing with coffee, including milk, creamers, and plant-based alternatives, with recommended temperatures and uses.
Single Origin, Espresso, Black Coffee: How Coffee Is Classified
Explore how coffee is categorized: single origin, blends, espresso, Americano, flavored, and black coffee—with details on 8 single origins and classic blends.
How to Brew Coffee Without a Machine: Step-by-Step Guide
Learn how to make coffee at home without a machine using manual methods like pour-over and stovetop boiling. Includes grind size, water temp, and tools.
How to Steam Milk for Perfect Cappuccino Foam
Learn how to steam milk for silky microfoam, avoid big bubbles, and get the smooth texture that makes great cappuccinos.
How Grind Size Affects Coffee Brewing Methods
Learn how grind size varies by brew method—espresso needs fine, drip medium, French press coarse—and why it impacts extraction.