Coffee Knowledge
Latest articles, industry insights and brewing guides
Maria Coffee: The Austrian Lady’s Espresso with Liqueur
Maria Coffee, also known as Rose Rendezvous, is an elegant Viennese espresso-style drink with liqueur, created for Empress Maria Theresa. Learn its history and ingredients.
How the First Italian Coffee Bar Started
Learn how 19th-century Vienna helped birth the standing coffee bar tradition still seen in Italy today.
How the Cappuccino Got Its Name – and What Makes It a Cappuccino
Learn why cappuccino shares its name with monks and monkeys, and how the classic 1:1:1 espresso, milk, and foam formula took shape.
How to Choose the Right Semi-Automatic Coffee Machine for Your Café
Learn the key factors in selecting a reliable semi-auto espresso machine and grinder for café use, avoiding common buyer mistakes.
What Is Coffee Extraction in Specialty Brewing?
Learn how water extracts soluble compounds from coffee grounds to shape flavor—and why balance is everything in a great cup.
How Latte Art Is Made: Coffee Pouring Techniques Explained
Learn how latte art is created with steamed milk and espresso, the tools required, and why it’s both an art and a technical skill.
Popular Coffee Drinks Explained: Latte, Cappuccino & More
Learn the key differences between classic coffee drinks like latte, cappuccino, and Viennese coffee, including ratios, preparation, and milk types used.
The First Coffeehouses in History: Origins & Spread
Discover where the world’s first coffeehouses emerged, from 15th-century Yemen to 17th-century London, and how coffee culture took root globally.
How to Judge Espresso Crema by Color
Learn how espresso crema color reveals extraction quality. Gold-brown is ideal; pale means under-extracted, dark means over-extracted.
How to Judge Espresso Crema Thickness
A rich, lasting espresso crema is key to great shots and latte art. Here’s how to assess its thickness and duration properly.
How to Judge Espresso Flow Rate by Speed
Espresso flow rate—how fast or slow your shot pulls—affects flavor directly. Learn the ideal 22–28 second range and how speed impacts taste.
How Moka Pot Brewing Differs from Other Methods
Learn how grind size, water level, heating steps, and flame control affect your moka pot coffee strength and flavor profile.
Common Sugars Used in Coffee and How They Taste
Learn which sugars balance coffee bitterness best—white, brown, raw, or artificial—and why sweetness levels between 12–14% work, but over 18% gets cloying.
How to Taste Coffee: 7 Key Elements of Flavor Evaluation
Learn how to assess coffee like a pro by evaluating acidity, bitterness, sweetness, body, aroma, aftertaste, and balance in 7 clear steps.
How to Taste Coffee: 4 More Key Quality Markers
Beyond acidity, sweetness, and bitterness, learn how body, astringency, off-flavors, and aroma define a truly well-brewed cup of specialty coffee.
Why Your Coffee Tastes Astringent: The Extraction Problem
Astringent coffee often results from over-extraction. Learn how extraction rates affect flavor and why going over 22% leads to bitterness and dryness.
What Is Coffee Tolerance? The New Specialty Concept Explained
Learn how coffee 'tolerance' affects your brew: why some methods forgive small mistakes, while others don’t. A key to brewing consistency.
A Brief History of Light Roast Coffee in China
Explore how Chinese coffee preferences evolved from bold dark roasts to bright light roasts, shaped by decades of cultural and market shifts.
Espresso vs Single Origin Coffee: What’s the Difference?
Espresso and single origin coffee differ mainly in grind, brewing, and whether a blend or single farm bean is used. Here's how to tell them apart.
How to Drink Coffee in a Café: Etiquette & Technique
Learn the proper way to hold a coffee cup, use a spoon, add sugar, and avoid common café faux pas with these essential coffee etiquette tips.