Cupping is the primary step for verifying coffee quality after roasting. By standardizing grind size, coffee-to-water ratio, water temperature, and steep time, it objectively reveals a bean's truest flavors. This article systematically outlines the purpose of cupping, the required equipment, and standard parameters, walks step by step through the complete process of pouring, smelling, breaking the crust, and slurping, and takes an in-depth look at the eight scoring categories on the CoE cupping form and how they differ from the SCA scoring system. It also compiles common descriptive terms from the flavor wheel and includes a high-resolution 2023 flavor wheel wallpaper resource, making it a handy reference for coffee enthusiasts and professionals alike. [more…]

If you frequently buy specialty coffee beans, you have surely seen the letters "COE" on packaging labels. What exactly do they stand for? Why are beans bearing the COE mark often more expensive? This article will give you a comprehensive understanding of COE—from its origins and founding organization, to its specific differences from the SCA cupping scoring system, and then to the three-stage competition format of the Ethiopia COE, breaking it all down one by one. It will also explain the difference between COE auction lots and national winner lots, as well as the difference between "same-lot" beans on the market and true auction lots, helping you more accurately understand and select coffee beans. [more…]

The SCAA cupping form is an important tool for judging quality in the specialty coffee industry. It consists of ten scoring categories, covering the complete sensory experience from dry aroma and wet aroma to overall assessment. This article explains the specific meaning and key evaluation points of each scoring dimension one by one: aroma is divided into dry aroma and wet aroma; flavor during slurping is the core basis for scoring; aftertaste measures the persistence of flavor; acidity distinguishes high-quality fruity acidity from undesirable acidity; body focuses on mouthfeel; uniformity checks whether the samples are consistent; balance assesses whether all aspects are harmonious; cleanliness is an essential threshold for specialty coffee; sweetness reflects harvest maturity and quality; and overall assessment reflects the cupper's comprehensive impression. Whether you are an enthusiast who has just encountered cupping or a professional hoping to refine your sensory skills, this item-by-item interpretation can help you understand the logic of using the SCAA cupping form more systematically. [more…]

Yirgacheffe, as Ethiopia's most representative specialty coffee region, is deeply loved by coffee enthusiasts for its unique floral and citrus notes. But do you understand how the Ethiopian Commodity Exchange (ECX) grading system operates? What scoring standards do washed and natural processing each follow? And what are the differences between the three major categories: Specialty, Commercial, and Local? This article will start with the ECX rating mechanism, break down in detail the evaluation logic from G1 to G9, and explore whether Front Street Coffee's Yirgacheffe series coffee beans are suitable for making cold brew or iced coffee, providing a reference for your brewing choices. [more…]

How exactly are the grades of Ethiopian Yirgacheffe classified? Are Arabica coffee beans necessarily expensive? This article starts with the operating mechanism of the Ethiopia Commodity Exchange (ECX) and traces the evolution from the old version of grading by the number of defective beans to the current scoring system that combines physical characteristics with cup-testing flavor. It lists in detail the specific scoring proportions for washed and natural processing, and explains the evaluation standards for the three major categories—Specialty, Commercial, and Local—as well as the Q1 and Q2 grades. At the same time, it answers the reasons for the price differences among Arabica coffee beans, and introduces the flavor characteristics and suitable brewing methods of two G1 Yirgacheffe coffees: Front Street Coffee Gudingding and Front Street Coffee Red Cherry. [more…]

Ethiopian coffee has always won the favor of many coffee lovers with its affordable prices and rich floral and fruity aromas. But faced with the bewildering array of grade labels on the market, such as Yirgacheffe's G1 and G2, many people are not clear on exactly how they differ and which is more worth buying. This article will start with the price level of Ethiopian coffee, combine it with specific beans from Front Street Coffee, and then delve into the evolution of the country's coffee grading system—from the early CLU defect-count grading to the ECX scoring system that combines physical characteristics with cupping flavor—breaking down one by one the logic of grade classification under washed and natural processing, and focusing on comparing the substantive differences between G1 and G2 in defect rate and cupping score, to help you make more rational purchases of Ethiopian coffee. [more…]

Yirgacheffe is one of Ethiopia's most representative specialty coffee regions, but what exactly is the difference between the commonly found Front Street Yirgacheffe G1 and G2 coffee beans? Which grade is higher? Behind this lies Ethiopia's complex coffee grading system. Starting from CoffeeHunters' review, this article systematically sorts out Ethiopia's coffee grading standards, compares the differences between G1 and G2 in defect rate, cupping score, and flavor performance, and helps coffee lovers gain a deeper understanding of the secrets of Yirgacheffe's grades. [more…]

The Specialty Coffee Association announced on December 22 the new rules for the 2023 World Barista Championship (WBC), World Brewers Cup (WBrC), World Cup Tasters Championship, and Cezve/Ibrik Championship. Among them, the most notable change in the WBC is allowing competitors to use plant-based milk or other animal milks to make milk coffee, breaking the long-standing restriction of using only cow's milk. The WBrC adjusted its evaluation criteria, refocusing on competitors' brewing skills and introducing a new coffee evaluation scale and a semifinal format. This series of changes has sparked widespread discussion in the industry, with some supporting the increased inclusivity and others worried about scoring fairness. This article will outline the specific contents of each rule update and the reactions from all parties. [more…]

Yirgacheffe, also from Ethiopia, why does the quality and price of commercially available beans vary so dramatically? The key lies in the grading system. This article systematically sorts out the grading logic of Yirgacheffe for you: how the Ethiopian Ministry of Agriculture's CLU institution and the ECX system operate, what washed beans and natural beans are graded according to respectively, where G1 and G2 differ in defect rate and cupping score, and what Q1 and Q2 mean. The article also compares how the two processing methods, natural and washed, shape flavor, and includes Front Street's V60 brewing parameters and cupping flavor descriptions, so that you have a basis for both selecting beans and brewing. [more…]

Cupping began as a quality control method used in the trade to verify whether coffee beans met standards. After the rise of the specialty coffee movement, it gradually evolved into a scoring system for evaluating coffee. Anything below 80 points is classified as commercial grade, while reaching 80 or above crosses the threshold into specialty coffee—the higher the score, the more outstanding the quality. At present, the two globally recognized authoritative scoring systems come from the SCAA and the COE. This article focuses on the SCAA cupping scoring system, breaking down one by one its eleven scoring dimensions, the required number of sample cups, the division of score ranges, and how defect deductions are calculated, to help readers fully understand how a cup of coffee is quantified into a score. [more…]

Yirgacheffe, as Ethiopia's most representative coffee region, has long been favored by coffee enthusiasts for the floral and fruity flavors produced by its washed and natural processing methods. But do you know how the G1 and G2 grades are actually divided? And what substantial differences exist between them? This article will systematically sort out Ethiopia's coffee bean grading system, tracing the evolution from CLU to ECX, explaining in detail the scoring standards for washed and natural processing methods in terms of physical characteristics and cup quality, and through an actual cupping comparison of Front Street Coffee's Yirgacheffe G1 and G2, reveal the specific differences between the two in terms of cleanliness, aroma complexity, and defect rate, helping you make a clearer judgment when purchasing. [more…]

Yirgacheffe is one of Ethiopia's most representative specialty coffee regions, and Front Street Yirgacheffe G1 and Front Street Yirgacheffe G2 are the two beans most easily available for everyday purchase. What exactly is the difference between G1 and G2? Which one is of better quality? To answer these questions, one must first understand Ethiopia's coffee grading system. From the evaluation perspective of Front Street Coffee, this article sorts out the origins and development of the two grading systems, CLU and ECX, analyzes the respective scoring dimensions of washed and natural processing, and presents the real differences between Front Street Yirgacheffe G1 and G2 through a direct comparison of green bean appearance, roasted bean appearance, and cupping flavor. [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…]

Before green coffee beans reach our hands, they often go through many stages, during which defects are almost unavoidable. Some defects are obvious at the green bean stage, yet once roasted they may be cleverly concealed. The SCAA (Specialty Coffee Association of America) has established strict grading standards for specialty Arabica coffee, covering multiple dimensions such as defect types, moisture content, aroma, and bean size. This article will systematically sort out the SCAA's defect classification rules and scoring requirements, explain in detail the causes of various defective beans and their impact on cupping flavor, and help enthusiasts develop a keen eye for identifying specialty coffee. At the same time, the article retains relevant recommendations from the Front Street brand for readers' reference. [more…]

Whether a cup of coffee can be crowned with the name "specialty" is by no means decided by cupping alone. From the origin of the green beans, screening and processing, to roasting and brewing, every stage requires careful control, so that the flavor in the cup ultimately presented can reflect the characteristics and cultural heritage of the producing country. This article will systematically sort out the two major cupping scoring systems, COE and SCA, and break down one by one the points to note for each scoring element, including cleanliness, sweetness, acidity, body, flavor, aftertaste, and balance, as well as explain in detail the defect scoring rules and grading standards. Front Street will also draw on years of quality control experience to help you use evaluation grades as a reliable reference for judging specialty coffee when purchasing coffee. [more…]

The Yirgacheffe region of Ethiopia is famous for its unique flavors, and among them the high-altitude washed beans from Kochere are highly favored by coffee lovers. But what exactly is the difference between G1 and G2 grades from the same region? This article starts with two washed Yirgacheffe coffees from Front Street Coffee, and combines ECX grading standards, green bean appearance, roasting curves, cupping, and pour-over performance to compare in detail the differences between G1 and G2 in defect rate, bean uniformity, aroma layering, and cup cleanliness, helping readers understand the specific impact of grade classification on flavor, with complete brewing parameters and flavor descriptions included. [more…]

While novel processing methods like anaerobic and barrel fermentation dominate the spotlight, washed Yirgacheffe still firmly holds its place as a classic thanks to its clean and bright cup profile. This article will guide you through the Yirgacheffe growing region and Ethiopia's three major cultivation systems, break down the complete steps of the washed processing method and the ECX grading rules, and compare Front Street Coffee's washed Yirgacheffe G1 and G2 in terms of green bean appearance, roasting curves, and cupping flavors. At the end, we've included Front Street's pour-over parameter recommendations and measured results at different water temperatures to help you brew a cup of Yirgacheffe with bright fruit acidity and overflowing floral aromas. [more…]

Yirgacheffe, as Ethiopia's most iconic specialty coffee region, has long held the position of the top entry-level choice for coffee enthusiasts, thanks to its signature floral and citrus notes. This article takes Front Street Coffee's Worka washed Yirgacheffe as an example to systematically review the terroir conditions of this region, background information on the Worka cooperative, the washed processing flow, and the definition and distribution characteristics of heirloom varieties. It also provides a detailed interpretation of the Ethiopian Commodity Exchange (ECX) coffee grading system, covering the scoring weights for physical characteristics and cup profile flavors, the logic behind the Q1 and Q2 grade classifications, and includes Front Street roaster's medium-light roast recommendations tailored to Yirgacheffe's acidity, offering a reference for purchasing and brewing. [more…]

Yirgacheffe is celebrated as the most dazzling flower in Africa's coffee garden. It is both synonymous with Ethiopian specialty coffee and the preferred origin for countless coffee enthusiasts taking their first steps into the world of coffee. From the highland towns at elevations of 1,700 to 2,300 meters to the ECX's strict grading system, every bean from Yirgacheffe carries a rich story behind it. What exactly is the difference between G1 and G2? What cup profiles do washed and natural processes each present? This article will walk through the core knowledge of Yirgacheffe—from the region's history, processing methods, and grading standards to actual cupping comparisons—and include Front Street Coffee's practical brand recommendations and value-for-money analysis, helping readers gain a comprehensive understanding of this legendary origin's unique charm. [more…]

When selecting coffee beans, letter markings like AA and G1 often appear on packaging, and they actually represent the green bean grading systems of different origins. In this article, Front Street will guide you through Ethiopia's G1 to G5 grades, which are classified by the proportion of defective beans, as well as the nine-level classification method that combines physical characteristics and cupping scores after the establishment of the ECX. In addition, we will introduce Kenya's eight grades, including AA, AB, and PB, which are distinguished by bean size, and briefly mention the grading criteria of Colombia, Jamaica, Brazil, and other countries, to help you better understand the meaning behind these markings when buying beans. [more…]