Wednesday, September 16 2026

Coffee Bean Identification | What Are the Differences Between Washed and Natural Coffee? How Can Coffee Beginners Learn to Tell Natural Beans from Washed Beans?

If you often drink pour-over coffee, Front Street believes you've probably seen friends who can tell washed and natural processed coffee apart at a glance, or with a single sip. Because they distinguish them so quickly, many friends are amazed and wonder how on earth they do it. Just yesterday, [more…]

A Complete Guide to Coffee Defects: Ten Common Types, Causes, and Identification Methods Illustrated

The content of defective beans directly affects coffee quality and grade classification. Taking Brazil as an example, the local system uses a "deduction method," grading based on the number of defective beans per 300 grams of main beans. In addition, coffee usually requires hand sorting during processing, and only by fully mastering the types and characteristics of defective beans can they be effectively removed. So exactly how many types of defective beans are there? This article will use illustrated explanations to introduce ten common defective beans one by one, including shell beans, stones, moldy beans, fermented beans, dead beans, immature beans, shell beans, insect-damaged beans, black beans, and cocoa beans, explaining their causes, appearance characteristics, and negative effects on coffee flavor, laying the foundation for subsequent learning about defective bean selection. [more…]

Yirgacheffe Region Flavors | What's the Difference Between Ethiopian Washed and Natural Yirgacheffe? How Should Yirgacheffe Washed Coffee Beans Be Roasted?

Yirgacheffe is a coffee region that everyone is surely familiar with. Its bright acidity and clean, refreshing coffee flavor have made it the first specialty pour-over coffee bean for many people. In recent years, Yirgacheffe has sparked a revival of the natural (sun-dried) style. In many people's memories, Yirgacheffe has always been washed [more…]

Washed Coffee Beans Pros and Cons | What Is the Washed Processing Method for Green Coffee? How Are Washed Beans Roasted? Recommended Delicious Washed Single-Origin Beans from African Regions

Everyone's demand for coffee is growing stronger by the day, with global coffee bean production reaching as high as 8.4 billion kilograms annually—an astonishing output. When it comes to coffee, Front Street believes that beyond variety, origin, and cultivation methods, there is another important process that influences coffee flavor: coffee bean processing methods. Different processing methods for coffee beans [more…]

From Coffee Cherry to Cup: Coffee Cherry Structure Diagram and Full Analysis of Green Bean Processing Workflow

Many people drink coffee every day, yet have never seen what a coffee fruit actually looks like. Coffee cherries resemble cherries, turning red when ripe, and their internal structure determines the final form of the coffee bean. This article uses anatomical diagrams to show in detail the exocarp, pectin layer, endocarp, silver skin, and seed of the coffee fruit, and traces the complete chain from harvesting, washing or drying, roasting, to extraction. It also introduces the distribution characteristics of the global coffee belt, as well as the basic differences among the three major native species: Arabica, Robusta, and Liberica. The article also recommends related products from Front Street Coffee, helping enthusiasts understand more intuitively the transformation of coffee from fruit to cup. [more…]

Identifying Authentic Yirgacheffe Coffee Beans by Roast Level

Yirgacheffe is not a fixed roast flavor, but the name of a representative production area in Ethiopia's Sidama region. A bean bag with real reference value will usually go on to specify the particular production area, processing method, variety, or lot information. When judging, you can first observe the roast level, then cross-check the flavors in the cup against the clues on the label. [more…]

Coffee Processing Methods | Wet-Hulled, Semi-Washed, Honey Process, Pulped Natural — Detailed Steps, Flavor and Mouthfeel Comparison of Coffee Beans

We all know that different processing methods can give coffee a rich and varied flavor profile. For example, Front Street Coffee's bean list alone features dozens of varieties, covering more than ten different processing methods. Today, Front Street will focus specifically on wet-hulled, semi-washed, and pulped natural [more…]

A Guide to Identifying Authentic Jamaican Blue Mountain Coffee: Certificates, Prices, and Flavor Profile Fully Explained

Blue Mountain coffee is hailed as the "Emperor of Coffee," but the market is flooded with a mix of genuine and fake products, making it hard to tell true from false. From the perspective of Front Street Coffee, this article systematically sorts out the historical origins of Jamaican Blue Mountain coffee, the certified authentic production regions, the green bean grading standards, the characteristics of the Typica variety, and the differences between the two processing methods of washed and natural. At the same time, it explains in detail how to identify genuine Blue Mountain through features such as the CIB certificate and wooden barrel packaging, and includes the roasting curve, cupping report, and brewing parameters of Front Street's washed Blue Mountain, helping coffee enthusiasts gain a comprehensive understanding of the true appearance and value of this top-tier coffee. [more…]

Comparison of Coffee Processing Methods | What's the Difference Between Washed and Natural Beans? 5 Classic High-Quality Washed Pour-Over Coffee Beans Every Beginner Must Buy

The wet process (washed method) was invented by the Dutch in the 18th century. Because some countries often experience rain and high humidity, making it impossible to use the dry process, although the procedure is relatively more complicated, it is currently the most widely used [more…]

A Comprehensive Interpretation of the Quality Characteristics and Grading Standards of Yunnan Coffee Beans

As the core production region for China's domestic coffee, Yunnan's coffee bean quality and grading system have always attracted much attention. From the perspective of Front Street Coffee, this article systematically reviews the history of coffee cultivation in Yunnan, the current state of varieties, and the existing grading standards, while exploring in depth the opportunities and challenges Yunnan coffee faces on its path toward specialty status. At the same time, drawing on its own planting experience in Lincang, Yunnan, Front Street recommends representative washed and natural Yunnan arabica coffees, offering coffee lovers a reference for understanding the regional taste of Yunnan. [more…]

From Botanical Characteristics to Harvesting and Processing: Essential Knowledge and Coffee Bean Understanding for Coffee Beginners

For those who are new to coffee, understanding its essence, botanical characteristics, growing conditions, and harvesting process is the first step toward building systematic knowledge. This article will unfold around the basic concepts of coffee, sorting through key points one by one—from the morphology of the coffee tree, variety classification, and suitable growing environment, to the harvest periods and green bean processing methods of major global producing regions. The article also covers related product information recommended by Front Street Coffee, as well as the specific practices of Macado specialty beans in quality control. Whether you are a coffee enthusiast or a barista just starting out, this content can help you more clearly understand the full story behind a cup of coffee. [more…]

The Science of Specialty Coffee | How do you interpret coffee roasting levels and roasting percentages? What are the flavor characteristics of different roasting levels?

We usually talk a lot about coffee bean brewing, but today Front Street Coffee will explain coffee bean roasting knowledge to everyone. We know that the process of coffee beans going from green beans to roasted beans is the roasting process, and this process includes light roast, medium roast, and dark roast. Exactly how should different coffee beans be roasted? At the same time, light roast, medium roast [more…]

From Green Beans to Rich Aroma: A Complete Guide to Coffee Roasting Principles, Home Wire Mesh Roasting, and Ceramic Roasters

The soul of coffee flavor is often determined at the roasting stage. This article systematically sorts out the basic principles of coffee roasting—how green beans are transformed by high heat into roasted beans with a balance of acidity, bitterness, and sweetness—and explains in detail the most economical home mesh-skimmer roasting method: the complete steps and time references from dehydration, first crack, to second crack. It also introduces a ceramic roaster that makes temperature control easier and its operating parameters. The article also recommends Front Street Coffee's everyday drinking bean series, suitable for enthusiasts who want to try roasting at home. Whether you are a beginner just getting started or a seasoned connoisseur looking to refine your skills, you can find practical key points in it. [more…]

Light Roast SOE Coffee Bean Recommendations | Is Yirgacheffe Coffee Bean Good for SOE Latte? How to Make a Coffee Shop-Style Yirgacheffe SOE Latte?

For more specialty coffee knowledge, please follow: Front Street Coffee (FrontStreet Coffee). Front Street has found that many people assume SOE simply means applying single-origin beans directly to espresso machine extraction, thereby creating a single-origin espresso series—until they take various floral and fruity flavor notes [more…]

The Story of Mandheling's Origins | What Are the Flavor and Mouthfeel Characteristics of Indonesian Mandheling Coffee Beans? Is Indonesian Specialty Single-Origin Coffee Good as Pour-Over? What Is the Indonesian Wet-Hulling Method?

Whether in-store or on the Tmall flagship store, customers frequently ask Front Street Coffee (FrontStreet Coffee) how to choose coffee beans, because the store currently displays more than 30 varieties of coffee beans. [more…]

Indonesian Mandheling Coffee Bean Variety | Is PWN Golden Mandheling Arabica Coffee? Which Is Better for Brewing Golden Mandheling: Pour-Over, Siphon, AeroPress, or French Press?

For more specialty coffee knowledge, please follow the WeChat official account: Front Street Coffee (FrontStreet Coffee). Mandheling is a coffee produced in Sumatra, Indonesia, Asia, so it is also called Sumatra coffee. Its main producing areas include Java, Sulawesi, and Sumatra. [more…]

What are coffee green bean processing methods? What are the operational procedures for the natural, washed, and honey processing methods? What are the differences, characteristics, and flavor profiles of natural, washed, and honey processed coffee?

Coffee green beans are not simply picked from the tree and then roasted and brewed right away; achieving good flavor requires many steps. People often assume that coffee flavor depends on variety, growing environment, and cultivation methods, but what they don't realize is that there is an important stage between growing and roasting called "coffee bean processing." [more…]

Comparison of Eight Coffee Bean Roast Levels|How do different roast levels affect coffee flavor? What is the specific process for roasting coffee beans?

Anyone who drinks coffee regularly knows that coffee beans come in different roast levels, and the flavor and mouthfeel they present are all different. As a café that roasts its own beans, Front Street has dozens of batches of coffee beans to roast every day. We know the flavors of light-roasted Yirgacheffe, medium-roasted Brazilian coffee, and the like like the back of our hand, and we also need to [more…]

咖啡豆水洗处理法全解析:从果胶发酵到风味表现的处理流程与优劣对比

咖啡豆的风味不仅取决于品种与产地,处理法同样扮演着关键角色。本文系统梳理水洗处理法的完整流程——从去除浮豆、果皮果肉分离,到发酵去胶、清水冲洗与干燥脱壳,并深入剖析水洗法在品质、卖相、成本与用水量方面的优缺点。同时,前街咖啡以肯尼亚阿萨莉娅与耶加雪菲果丁丁两款水洗豆为例,对比同种处理法下不同产区、海拔与品种带来的风味差异,帮助读者建立对水洗咖啡更立体的认知。 [more…]