Coffee Knowledge
Latest articles, industry insights and brewing guides
The Three Main Types of Coffee Beans
Learn which coffee species dominate the industry: Arabica, Robusta, and Liberica, with their distinct traits, altitudes, and flavors.
How Coffee Affects Your Sleep
Caffeine blocks adenosine, keeping you awake. Most people feel effects for 6+ hours, but sensitivity varies by metabolism.
Understanding Coffee Roast Levels and What They Mean
Learn how coffee roast levels like light, medium, dark, and very dark affect flavor, and why names like City or French vary by region and machine.
Major Coffee Bean Varieties and Their Unique Flavors
Explore the flavor profiles, origins, and best uses of 8 globally recognized coffee bean varieties, from Jamaica to Hawaii.
Why Does Coffee Taste Bitter? The Roast Factor
Learn why coffee often ends up bitter and how roasting choices, especially over-roasting, create unwanted harshness. Discover how to avoid it.
Why Second Roasting Happens — And Why It Matters
Second roasting flattens coffee flavors and hides defects. Avoid it if evaluating beans or tasting for origin character. Still, it can produce drinkable coffee.
How Roast Shapes Coffee’s Color, Aroma and Flavor
Roasting unlocks coffee’s aroma, acidity, sweetness and bitterness through hundreds of chemical reactions. Learn how time, temperature and roast level define your cup.
How Coffee Beans Are Processed from Cherry to Green
Learn how coffee cherries become green beans through washed, natural, or honey processing — and why it matters for flavor.
How Coffee Is Grown and Harvested: From Seed to Harvest
Learn how coffee grows from seed, the 3–4 year wait to fruit, harvest methods like handpicking vs machine, and tree lifespan up to 30 years.
Where Coffee Grows: The Coffee Belt Explained
Learn why coffee thrives between the Tropics of Cancer and Capricorn, and how altitude and temperature shape coffee quality.
The Three Main Coffee Species Explained
Learn how Arabica, Robusta, and Liberica differ in taste, shape, growth, and production — and which makes your cup.
What Makes Asian Coffee Unique?
Explore the distinct flavors of Asian-grown coffees like Mandheling, Yunnan, and Vietnam’s robust beans, known for their deep, spicy, and sweet profiles.
How to Grind Coffee for the Best Flavor
Learn why grinding coffee just before brewing matters, how grind size affects extraction, and the four keys to proper coffee grinding.
How to Grind and Brew Coffee for Best Flavor
Learn the right grind size for your brewing method, why fresh-ground coffee matters, and how to avoid common brewing mistakes.
How Grind Size Affects Coffee Brewing Methods
Find out the ideal coffee grind size for moka pots, espresso machines, pour-over, French press and more. Exact ranges explained.
What Is Japanese Roast Coffee?
Discover the origins and bold flavors of Japanese Roast coffee, known for its intense bitterness and heavy roast profile.
Understanding Coffee Species and Varieties
Learn the key differences between coffee species like Arabica and Robusta, and discover the varieties and cultivars that shape your cup.
How FrontStreet Roasts Ninety-Plus Ethiopia Tchembe Natural
FrontStreet Coffee shares its full roast profile for the Ninety-Plus Ethiopia Tchembe Natural, including time, temp, and sensory goals.
Understanding Coffee Bean Roast Levels and Their Flavors
Learn how light, medium, dark, and extra-dark roasts affect coffee flavor, aroma, and acidity. Discover what each roast level really tastes like.
How to Roast Coffee with a Hand Pan: A Beginner’s Guide
Learn the basics of hand pan and skillet coffee roasting, including how to achieve even roast quality without complex curves.