Coffee Knowledge
Latest articles, industry insights and brewing guides
What Is an Espresso Macchiato and How to Make It
An espresso macchiato is a shot of espresso 'stained' with a small amount of milk foam. Learn its ingredients, prep method, and why it tastes bolder than a cappuccino.
How to Achieve Perfect Crema in Espresso
Learn the key factors behind rich, stable espresso crema, from bean choice to equipment cleanliness.
What Is Dutch Coffee? Origins and Key Traits of Ice Drip
Learn how cold water slowly drips through coffee grounds over 8 hours to create smooth, low-acid Dutch Coffee with unique flavor profiles.
How to Make Cold Drip Coffee: Tools & Method
Learn the essential tools and step-by-step method for brewing cold drip coffee at home, including grind size, water ratios, and drip rates.
How to Make Royal Ice-Brewed Coffee Step by Step
Learn how to craft Royal Ice-Brewed Coffee using PWN Golden Mandheling beans, ice drip extraction, and coffee ice cubes for a smooth, refreshing cold brew.
How to Make Oolong Iced Coffee — Step-by-Step Guide
Learn how to make Oolong iced coffee using 60g deep-roast ice drip beans, milk, and simple tools. Step-by-step instructions included.
How to Make Frothy Iced Coffee with Ice Drip Concentrate
Learn how to make a refreshing frothy iced coffee using ice drip concentrate, ice cubes, and ice cream in just six steps.
How to Make Bubbly Iced Coffee with Sparkling Water
Learn how to make a refreshing bubbly iced coffee using ice-dripped coffee, soda water, and simple syrups. Step-by-step guide included.
How to Make Floating Iced Coffee with Mandheling Beans
Learn how to craft a layered floating iced coffee with Mandheling espresso, ice cream, chocolate sauce, and whipped cream in just seven steps.
How Conventional Coffee Roasters Work: Structure & Principles
A clear breakdown of how standard coffee roasting machines function, including their core components and the roasting process steps.
Key Chemical Reactions in Coffee Roasting Explained
Learn how sucrose, trigonelline, and other compounds break down or transform during coffee roasting, affecting flavor and roast degree.
Top Global Coffee Competitions Every Enthusiast Should Know
Discover the world’s most prestigious coffee competitions: WBC, World Cup Tasters, Coffee in Good Spirits, and World Latte Art.
Ice Drip vs Iced Coffee: What’s the Real Difference?
Ice drip (cold brew by dripping) takes 8+ hours; iced coffee is hot coffee over ice. Learn the brewing methods, flavor differences, and why they’re not the same.
How to Build and Use a Hand-Crank Coffee Roaster
Learn how a Taiwanese coffee enthusiast built a manual roller-style home coffee roaster, tested it with charcoal and gas, and roasted half a pound of beans.
How Specialty Coffee Roast Levels Are Actually Described
Learn the six official roast levels for specialty coffee, from Light to Very Dark, with named subtypes like Cinnamon and French. Know what each means.
How Is Americano Coffee Made? Just Espresso and Water?
Yes—Americano is simply espresso diluted with hot water. This guide explains the origins, methods, and best practices behind making a great one.
How to Roast Coffee at Home and Judge Its Quality
Learn what makes a great home coffee roast, how to assess roast quality, and why cupping is essential for improving your technique.
Best Beginner’s Guide to Home Coffee Roasting
Discover the top book for learning how to roast coffee at home and why fresh-roasted beans make such a difference.
Why Coffee Beans Need Roasting and How It Changes Them
Roasting transforms raw coffee beans chemically and physically, developing flavors, aromas, and colors. Learn how roast levels affect taste, from light to dark.
How to Roast Coffee Beans in a Home Oven
Learn how to roast green coffee beans at home using a standard oven. Step-by-step instructions with temps, times, and cooling tips.