This batch explores the “Dark Side” of coffee flavors, the physics of water temperature, and the specific grading of Kenyan “C” and “E” beans.Article 181: The “E” Grade: Kenya’s Elephant Beans(Category: Coffee Bean Knowledge | Word Count: ~280)In the Kenyan grading system, most people focus on AA and AB. However, there is a rare and […]
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This set focuses on milk alternatives, sensory training, and the economics of the coffee shop.Article 31: The Rise of Oat Milk in Specialty Coffee(Category: Barista Skills | Word Count: ~280)In recent years, oat milk has become the gold standard for dairy alternatives in specialty cafes. Unlike almond or soy milk, which can often be difficult […]
We are now entering the final stretch! This batch focuses on professional competition standards, the chemistry of coffee acids, and advanced maintenance.Article 191: The “Big Three” Acids in Kenyan Coffee(Category: Coffee Science | Word Count: ~320)When we describe Kenyan coffee as “bright” or “complex,” we are usually tasting the interaction of three specific organic acids.
Focusing on advanced brewing, equipment maintenance, and the specialty coffee value chain.Article 41: Understanding TDS (Total Dissolved Solids)(Category: Coffee Science | Word Count: ~310)In the coffee lab, we use a tool called a refractometer to measure TDS, or Total Dissolved Solids. This number tells us exactly how much of the “coffee stuff” actually ended up […]
We are moving into the final stages of the curriculum, focusing on “Third Wave” philosophy, water chemistry impact, and advanced milk chemistry.Article 201: The “Third Wave” Coffee Movement(Category: Coffee Education | Word Count: ~330)To understand modern barista work, you must understand the “Waves” of coffee history.
This set focuses on latte art patterns, the biology of the coffee plant, and more advanced technical barista concepts.Article 51: The “Tulip” Latte Art Pattern(Category: Barista Skills | Word Count: ~280)Once you have mastered the heart, the next milestone in a barista’s journey is the Tulip. A tulip is essentially a series of “stacked” hearts, […]
This set focuses on technical maintenance, historical context, and the subtle “dark” arts of roasting and sensory evaluation.Article 211: The Physics of “Grind Retention”(Category: Barista Skills | Word Count: ~280)Grind Retention refers to the coffee that gets trapped inside the grinder’s internal chambers between the burrs and the exit chute.Why it matters:If a grinder has […]
Here is the seventh batch of 10 articles (Articles 61 through 70). This batch covers the technicalities of coffee freshness, the “bloom” phenomenon, and the specifics of Kenyan coffee grading.Article 61: The Science of the “Bloom”(Category: Brewing Methods | Word Count: ~260)When you pour hot water over fresh coffee grounds, you’ll notice them swell and […]
We are now focusing on the final technical refinements, the chemistry of cleaning, and the business of the “Nairobi Coffee Exchange.”Article 221: The “Nairobi Coffee Exchange” (NCE)(Category: Coffee Business | Word Count: ~320)The Nairobi Coffee Exchange is the heart of Kenya’s coffee trade. Founded in the 1930s, it operates as a central auction system where […]
Here is the eighth batch of 10 articles (Articles 71 through 80). This batch covers the science of water chemistry, the espresso “sweet spot,” and the lifecycle of a coffee tree.Article 71: The Lifecycle of a Coffee Tree(Category: Coffee Education | Word Count: ~320)Understanding the journey of coffee begins long before the roasting drum. A […]
