Coffee Knowledge
Latest articles, industry insights and brewing guides
Espresso Roasting and Brewing: What Every Specialty Coffee Shop Should Know
Learn how espresso roast levels affect flavor, extraction time, and brewing stability, and why shallow or deep roasts change your cup dramatically.
Understanding Coffee Roast Levels: From Light to Dark
Learn how roast levels—light, medium, and dark—affect coffee flavor, volume, and aroma, and why roast choice depends on bean origin and market demand.
Essential Coffee Grinder Types and How to Use Them
Learn which coffee grinders preserve flavor best, how to avoid overheating beans, and why cleaning matters more than you think.
How to Blend and Roast Specialty Coffee Beans
Learn why and how to blend coffee beans, the relationship between blending and roasting, and the key stages of coffee roasting for better flavor.
What Is Coffee Cupping and How Does It Work?
Cupping is a standardized coffee evaluation method used by pros. Learn the exact roast, grind, water ratio, and steps behind professional cupping.
The Three Levels of Specialty Coffee Roasting
Learn the three skill tiers in coffee roasting—from basic to artistic—and how roasters refine flavor at each stage.
How to Check and Clean a Clogged Coffee Roaster
Learn how to spot and fix blocked coffee roasting vents to protect your roast quality. Includes signs of blockage and a full cleaning guide.
How Specialty Coffee Roasting Is Evolving
Learn how specialty coffee roasting is shifting from mass production to quality-focused profiles, with methods like roast mapping to maximize flavor.
Raw vs Roasted Coffee Beans: Flavor Differences Explained
Learn which coffee flavors come from the bean itself and which develop during roasting, with a breakdown of 8 roast stages and their taste profiles.
How to Build a Great Creative Coffee for WBC Competitions
Learn the key rules for crafting balanced, flavorful creative coffees — from speed and cost to flavor pairing and presentation.
4 Alcoholic Coffee Drink Recipes for Coffee Shops
Four barista-approved alcoholic coffee drink recipes with exact ratios: TB Coffee, Winter Express, Cookies & Cream, and GM Hot Sangria.
How to Make and Taste Espresso Like a Pro
Learn how to assess espresso quality by crema color, texture, and aroma, and understand the key factors behind great extraction.
4 Autumn-Inspired Specialty Coffee Drinks to Try Now
Explore four creative coffee drinks perfect for fall, including Espresso Tini, Deep Blue Ocean Iced Coffee, and Spanish Coffee, with recipes and tips.
Two Winter Coffee Recipes with Cream and Spices
Try these two easy winter coffee drinks: creamy buttery coffee and spiced black coffee, both made with simple ingredients and classic brewing methods.
What Is Espresso? The Complete Guide to Italian-Style Coffee
Espresso is a concentrated coffee brewed under 9 bars of pressure at 92°C. Learn how it’s made, why it has crema, and what defines true espresso.
Best Hand Pour Over Kettles for Coffee Brewing
Explore the top manual pour over kettles including Melitta, Hario, Kalita, and Chemex—each designed to improve your coffee extraction and control.
Ethiopian Coffee Origins: From Kaffa to Your Cup
Learn why Ethiopia is the birthplace of Arabica coffee, how its regions shape flavor, and what makes its processing methods unique.
Do Oily Coffee Beans Mean They're Stale?
Oily coffee beans aren't necessarily stale. Roast level and temperature affect surface oils more than freshness. Here's what really causes coffee bean oiliness.
Espresso Extraction: The 25-30 Second Golden Rule
Learn why the ideal espresso shot takes 25–30 seconds to pull and how to drink it properly, with FrontStreet’s expert technique.
Best Grinder for Espresso Machines: Top Picks for Professionals
The best espresso grinder for commercial use is the Mahlkonig K30es, followed by the Mazzer Robur. Both deliver precision, durability, and high-volume performance.