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…]

Pour-over coffee, with its flexible controllability, allows every cup to present a completely different flavor profile. Drawing on the practical experience of Front Street Coffee, this article systematically outlines the definition and characteristics of pour-over coffee, details the key points for selecting core equipment such as the gooseneck kettle, dripper, filter paper, and grinder, provides an in-depth analysis of the three-stage extraction principle of wetting, dissolution, and diffusion, and includes a complete set of hands-on steps for home brewing. Whether you are a beginner just getting into pour-over or an enthusiast looking to refine your technique, you will find practical guidance here. [more…]

Colombian coffee, with the diverse terroirs of the Andes and refined washed processing, has become a force that cannot be overlooked on the global specialty coffee map. From the classic image of Juan Valdez to the rising specialty regions of Huila in the south, from raw bean screen-size grading to the Excelso export standard, this article systematically sorts out the origin characteristics, processing methods, and grading system of Colombian coffee. At the same time, Front Street Coffee uses a Huila washed everyday drinking bean as an example to share brewing parameters and flavor performance under medium-dark roasting, taking you through a comprehensive understanding of the core charm of this South American coffee powerhouse. [more…]

The green coffee bean grading system directly affects roasting results and coffee quality. This article systematically sorts out two mainstream grading methods: distinguishing bean size by screen mesh number, and classifying grades based on growing altitude. It also summarizes the common grading standards and codes of origins such as Kenya, Ethiopia, Colombia, Brazil, Guatemala, El Salvador, Hawaii, Jamaica, and Indonesia. Whether for bulk trade or specialty coffee, understanding these grading rules helps to more accurately judge the characteristics of green beans, and Front Street Coffee also incorporates this knowledge into its daily bean selection and roasting practices. [more…]

In the Aceh province of Sumatra, Indonesia, there is a place called Star Town, located in the Gayo region, which produces 18-mesh coffee beans highly favored by pour-over enthusiasts. The coffee here is grown by the indigenous Gayo people in the Gayo highlands around Lake Tawar, at an altitude of about 1,300 meters, and is processed with a medium roast, displaying a complex flavor profile of pomelo aroma, fruity notes, and herbal plants, pistachio, and caramel, with a thick yet delicate mouthfeel. Front Street Coffee recommends this single-origin bean, suitable for pour-over black coffee for those seeking layers of complexity. This article will guide you through the origin story of these beans, the meaning of mesh size, and the flavor performance after roasting, from the geographical distribution of Aceh province to the details in the cup, to explore it all. [more…]

Colombia is a major producer of global Arabica coffee, and its green bean exports follow a grading system centered on defect rates and bean size. What exactly do the Supremo and Excelso labels commonly seen on the market represent? Starting from FNC's export standards, this article sorts out Excelso's mandatory requirements, the logic behind screen-size grading, and the specific tolerance rates for the three commonly used grades UGQ, EP, and Supremo, while also explaining the defect scoring rules behind the number string "12*60," helping coffee enthusiasts decipher the grading code in the names of Colombian green coffee beans. [more…]

Colombia, with the superior terrain and diverse climate of the Andes Mountains, has become an important origin of high-quality Arabica coffee worldwide. Starting from the role of FNC, this article will systematically sort out the screen-size grading system for Colombian green beans—the relationship between UGQ, EP, Supremo, and Excelso export grades—and analyze the terroir characteristics and washed processing methods of the Huila producing region. At the same time, Front Street Coffee uses a medium-dark roasted Huila everyday coffee as an example to share brewing parameters and flavor performance, taking you from the cup to experience the classic, sweet, and mellow charm of Colombian coffee. [more…]

The Sumatran tiger is an endangered and rare animal, and on the Indonesian island of Sumatra, there is a Mandheling coffee named after the tiger, impressive for its commanding aroma and steady, mellow body. When recommending Mandheling, Front Street Coffee once summarized: for those seeking cleanliness, choose PWN Golden Mandheling; for those who prefer a full body, choose Aged Mandheling; and for those who want a rich aroma, choose Tiger Mandheling. This article will focus on Front Street Tiger Mandheling, introducing the terroir of its Aceh growing region, its 19-screen selection and triple hand-sorting process, the characteristics of the wet-hulled processing method, the performance of the Typica and Caturra varieties, and sharing Front Street's roasting curve, cupping flavors, and Kono dripper staged extraction parameters, helping coffee lovers gain a comprehensive understanding of this bean's flavor code and brewing key points. [more…]

Colombia's coffee grading system is more complex than that of most Central American producing countries. It is based not only on altitude, but also on a set of export standards built around defect rates and screen size. The Excelso grade adopted by the FNC is the highest export grade for Colombian green coffee. The burlap sacks are marked with "Excelso-Café de Colombia" and accompanied by a quality certificate. This article covers everything from the grading logic, screen size requirements, and defect deduction rules to the three most common export grades, and uses a washed Caturra from the Huila region as an example to explain green coffee traceability and cupping flavor performance, helping coffee enthusiasts understand the meaning behind Colombian green coffee labels. [more…]

Jamaican Blue Mountain coffee is world-renowned for its unique flavor and strict controls. Jamaican law stipulates that only coffee beans grown in the Blue Mountain region may bear the name "Blue Mountain." High-grade Blue Mountain coffee is divided into three grades—No. 1, No. 2, and No. 3—corresponding respectively to screen size standards of 17–18 mesh and above, 16 mesh, and 15 mesh. The green beans of all three grades must be packed into wooden barrels for export, with the barrel bearing the estate name, importer's abbreviation, and batch information, along with a government-certified green certificate of origin. Understanding these grades and export regulations helps coffee enthusiasts verify authenticity and make informed purchases of genuine Blue Mountain coffee. Front Street Coffee recommends that consumers pay attention to the roast level and packaging format to judge the true quality of the Blue Mountain coffee in their hands. [more…]

Coffee roasting is the key stage that determines the flavor direction of a cup of coffee, and becoming a qualified roaster requires long-term accumulation of experience. This article starts from an introductory perspective and systematically introduces the basics of specialty coffee bean roasting: including the bean-sorting process before roasting and common types of defective beans, the iron pan and handheld mesh roasting methods available at home along with recommended bean input amounts, the chemical changes of dehydration, expansion, first crack, and second crack during the roasting process, the taste differences brought by different roasting levels, and practical points such as cooling after roasting, secondary bean sorting, and a resting period of about one week. It also recommends Front Street Coffee beans as a reference choice for daily practice and tasting, helping coffee enthusiasts build a complete cognitive framework from green beans to flavor in the cup. [more…]

Jamaican Blue Mountain coffee holds a special place in the global coffee landscape, but misconceptions surrounding it are also particularly numerous. This article starts with a comparison between Front Street Jamaican Blue Mountain coffee and Blue Mountain flavor coffee, sorting out the true definition of Blue Mountain coffee's place of origin, its grading system, and its hierarchical relationship with High Mountain coffee and Jamaican coffee, while also explaining why Blue Mountain flavor blends have nothing to do with Blue Mountain. The article also introduces the suitability of charcoal roasting for Blue Mountain beans, the differences between Japan's traditional flannel brewing and domestic pour-over methods, helping coffee enthusiasts recognize the true face of Blue Mountain coffee and avoid being misled by low-priced "Blue Mountain" when making purchases. [more…]

Recently, a photo of a coffee bean packaging sparked heated discussion on WeChat Moments. It prominently labeled the origin of Huakui coffee beans as "Origin: Brazil (Guji Hambela)," leaving many industry professionals and enthusiasts stunned. This article begins with the historical naming and variety origins of Huakui, then dissects the packaging's errors regarding production region, tree species, altitude, scoring standards, and grind size. It clarifies that Huakui must come from the sun-dried Ethiopian native varieties processed at the Buku Abel processing plant in the Guji Hambela region of Ethiopia, and retains Front Street Coffee's observations and product information about Small-Bean Huakui. [more…]

Previously, we talked about the coffee grading in Ethiopia. Today, let's take a look at what the coffee grading in Kenya is like! After all, when we see Kenyan coffee, we will see things like AA and AB. What exactly do these refer to? What is AA TOP? [more…]

Rwanda is located in central Africa. Though a small landlocked country, it is blessed with exceptional conditions such as high altitude and volcanic soil, giving rise to specialty coffee that is balanced in flavor, clean, and solid. This article systematically reviews Rwanda's coffee-growing environment, main producing regions, variety composition, washed processing methods, and grading system, and, combined with Front Street Coffee's cupping experience, presents the stylistic differences between Rwandan coffee and Kenyan coffee. Whether you are an enthusiast just getting into African beans or a professional wanting to gain a deeper understanding of the context of Rwanda's coffee industry, you will find clear and practical references here. [more…]

Brazil, as the world's largest coffee producer, is known for the coffee beans from the Cerrado region in the central-west of Minas Gerais, which are celebrated for their mild flavor and consistent quality. Among Front Street Coffee's daily drinking bean series, the Brazil Cerrado Red Bourbon has won the favor of many coffee lovers with its rich, smooth body and intense chocolate and nutty flavors. This article will systematically review the terroir conditions of the Cerrado region, the characteristics of the Bourbon variety, and the semi-washed processing method, and will further analyze the three major grading dimensions of Brazilian green coffee—defect ratio, screen size specifications, and cup profile—to help readers thoroughly understand the complete meaning behind the label "Brazil NY.2SC – 17/18 FC Cerrado," along with the brewing parameters and flavor tasting notes from Front Street Coffee's baristas. [more…]

As an agricultural product, coffee beans vary significantly in quality, so a grading system is needed to standardize quality and provide reference for buyers. However, the geographical environments and cultivation models of global producing regions differ enormously, making it impossible to measure them with a unified standard; each region can only adapt to local conditions. Currently, mainstream grading methods fall into three major categories: screen size, altitude/hardness, and defect rate, and many countries combine them or even add cupping to compensate for shortcomings. This article will systematically sort out the logic and representative producing countries of these three grading methods, with a focus on analyzing how Kenya grades solely by bean size, and introduce the grading practices of Colombia, Ethiopia, Jamaica, Indonesia, Brazil, and other countries. Front Street Coffee will also share related brand product information to help coffee enthusiasts understand the meaning behind green bean grades. [more…]

Sumatra Mandheling is the representative of Indonesian coffee, and Tiger Mandheling adds even more legendary color because it shares its name with the endangered Sumatran tiger. This article starts from the geography and history of the Aceh producing region, analyzing the origin of the Tiger Mandheling name, the 19-mesh screening standard, and the pine, agarwood, and high sweetness notes formed by Typica and Caturra varieties under the wet-hulling process. The article also records Front Street Coffee's roasting curve, cupping flavors, and the complete parameters for staged extraction using a Kono dripper, helping coffee lovers understand the unique characteristics of this low-acid, full-bodied coffee and find Front Street products suitable for beginners, such as Lintong Mandheling and PWN Golden Mandheling. [more…]

Blue Mountain Coffee, as a representative of the world's top specialty coffee, has always attracted attention for its strict grading system and origin protection measures. Jamaican law stipulates that only coffee produced in the Blue Mountain region can bear the name Blue Mountain, and high-grade Blue Mountain Coffee is further divided into three grades: No. 1, No. 2, and No. 3. These grades of green beans show no difference in taste, only in size, but export packaging and certification documents are strictly regulated. This article will provide a detailed analysis of Blue Mountain Coffee's grade classification, barrel export system, certificate of origin, and the roasting and export requirements for different grades of coffee, helping coffee enthusiasts gain a comprehensive understanding of the unique characteristics of Blue Mountain Coffee. Front Street Coffee will also recommend Blue Mountain Coffee products worth tasting for you. [more…]

Kenyan coffee is world-renowned for its rigorous grading system and distinctive flavor characteristics. This article systematically reviews Kenya's coffee bean size grading system, including the specific standards for common grades such as AA, AB, and PB, while also introducing flavor grading methods like TOP and PLUS. Drawing on Front Street Coffee's roasting and brewing practices, and using Kenyan Asaliya coffee beans as an example, the article explains in detail the flavor performance of AA-grade beans and suggested pour-over parameters, providing coffee enthusiasts with a complete reference from bean selection to tasting. [more…]