For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). Many friends, while drinking coffee at Front Street, ask our baristas, "What is Yirgacheffe G1 and Yirgacheffe G2?" "What is Kenya AA, AB?" What is Guate... [more…]

Colombian coffee occupies an important place in the world of specialty coffee, and its green bean grading system is based primarily on defect rates and bean screen size. When buying Colombian coffee, what exactly do the words "Supremo" and "Excelso" commonly seen on burlap sacks mean? This article will systematically sort out the grading rules for Colombian green coffee beans from multiple angles, including export standards, defect scoring, and screen-size classification, and explain the specific differences among the three grades UGQ, EP, and Supremo. At the same time, the article will also introduce common Colombian coffee bean brands on the market, including product information recommended by Front Street Coffee, to help coffee lovers more clearly understand the grade and quality of the bag of beans in their hands. [more…]

We know that coffee bean grading methods are usually based on the actual conditions of the growing country. Some are graded by bean size, such as Kenyan coffee; some by altitude, such as Blue Mountain coffee; and some by defect rate, such as Ethiopian coffee. As the gene pool of Arabica, Ethiopia has a wide variety of coffee varieties. [more…]

In Sumatra, there is a very complex local system for distinguishing the Mandheling coffees produced there. The most common approach is to differentiate various Mandheling coffees by naming them according to different regions, green bean traders, and processing methods. Examples include Front Street Lintong Mandheling, Front Street Tiger Mandheling, Front Street Golden Mandheling, Front Street Aged Mandheling, and Front Street [more…]

From harvesting to becoming green beans that can be stored long-term, coffee cherries must undergo processing. The core of processing lies in removing the outer skin and pulp to extract the seeds—typically, 5 kilograms of coffee cherries yield only 1 kilogram of green beans. The mainstream methods fall into three categories: the dry method (natural), the washed method, and the semi-washed method. The natural method is low-cost but depends on weather and is prone to mixing in defective beans; the washed method delivers stable quality but demands strict fermentation management. Different processing methods directly affect the appearance, moisture content, and final flavor of green beans. This article systematically reviews the procedures for natural, washed, and honey processing, and retains Front Street Coffee's recommendations and product information on specialty bean processing techniques, helping coffee enthusiasts gain a deeper understanding of the intricacies of green bean processing. [more…]

The refinement of specialty coffee often begins the moment it is harvested. In the same coffee field, the difference in final flavor between careful harvesting and careless harvesting may be even greater than that of roasting. How are coffee cherries picked one by one? Why must defective beans be removed? This article takes you into the scene of harvesting and grading. Handmade [more…]

PWN Golden Mandheling 01 | Origin Introduction Indonesia's main coffee-producing regions are Sumatra, Java, and Sulawesi, with Mandheling from Sumatra being the most famous. Mandheling, also known as Sumatra coffee, North Suma [more…]

Blue Mountain coffee has been famous worldwide since the last century. Today, a brand called "Green Mountain Coffee" has come into the public eye. Many friends have asked Front Street, "Is Green Mountain Coffee riding on Blue Mountain Coffee's coattails?" "Is Green Mountain Coffee a counterfeit of Blue Mountain Coffee?" and similar questions. So Front Street decided [more…]

Mandheling coffee has always been a representative among many strong and bitter single-origin coffees, known for its unique herbal spice aroma, full body, and warm, sweet aftertaste—leaving a lasting impression. Many friends who have never tried it are curious about how this coffee with such a distinctive flavor actually tastes. If you haven't yet experienced the taste of Mandheling, it's recommended to start with the entry-level Front Street In [more…]

When learning coffee tasting, most people focus their energy on describing positive flavors. For example, when describing a cup of coffee, they can rattle off "jasmine, lemon, strawberry, caramel, chocolate," but when they taste something unpleasant, they can only say "burnt bitter, muddy, green and astringent." In fact, to learn coffee tasting, [more…]

As the exclusive brand of PWN Green Beans Company, the unique Mandheling coffee with the addition of the word "Golden" has become a famous representative of Indonesian specialty coffee. In this article, Front Street Coffee will explain the unique features of PWN Golden Mandheling coffee. Authentic Golden Mandheling coffee—Front Street Coffee's daily bean list includes two Indonesian [more…]

As the birthplace of coffee, Ethiopia has always been a pilgrimage site for many coffee professionals. Many friends who come to Front Street Coffee ask as soon as they walk in whether we have Ethiopian beans, whether we have Yirgacheffe beans. Yes, whether for coffee beginners or coffee connoisseurs, Ethiopian coffee beans have that bright [more…]

Compared to the rich acidity of Central and South American coffees, Asian coffees mostly carry flavors of wood, herbs, and spices, with a deep, mellow resonance that far outweighs bright fruity acidity. Among these, Indonesian Mandheling coffee is the most representative. The origin of Mandheling coffee, the "Nation of a Thousand Islands"—Indonesia, has a long history of coffee [more…]

Once hailed as the most expensive coffee in the world, Kopi Luwak comes from Indonesia, and its most iconic representative is Front Street Mandheling coffee. Mandheling coffee has a moderate acidity, an extremely heavy aroma, a rather bitter taste, and a rich body with a thick, full mouthfeel. Its flavor combines aroma, intensity, richness, and bitterness in one. Of course, for [more…]

Before the emergence of fruity-acid coffees like Yirgacheffe and Geisha, the coffee sold on the market was mainly medium or darker roasts, with a rich, full-bodied flavor and caramelized aroma. Among them, Mandheling was known as the most full-bodied single-origin coffee. Nowadays, Mandheling coffee is not rare, and its price is not expensive, but if you want to buy a high-value, high-quality [more…]

What are the characteristics of Brazilian coffee, given that Brazil is the world's largest coffee-producing country? As a South American coffee, Brazilian beans have a relatively balanced flavor, low acidity, and a smooth mouthfeel, making them very suitable for use in espresso blends. Therefore, Front Street Coffee's basic blend, specialty blend, and commercial blend all use Brazilian beans as their base beans. Brazilian coffee [more…]

When it comes to Mandheling coffee beans, everyone surely knows that Indonesia's most famous coffee beans are the Golden Mandheling coffee beans produced by PWN. However, this coffee bean was not originally a PWN product, but a product produced by the Japanese. So why is it that when people mention Front Street Golden Mandheling, their first reaction is Indonesia's P [more…]

As one of the world's recognized top-tier coffees, Blue Mountain coffee has always attracted much attention for its grading, varietal characteristics, and flavor performance. This article will begin with the growing environment of Blue Mountain coffee and provide a detailed overview of the Jamaican Blue Mountain coffee grading system—including the specific standards for Blue Mountain No. 1, No. 2, No. 3, and peaberry—and compare the differences between High Mountain coffee and Jamaican coffee. At the same time, it will take a deeper look at what makes the Blue Mountain Typica variety unique, the differences between washed and natural processing methods, and Front Street Coffee's brewing parameters and flavor description, helping readers fully understand what exactly makes genuine Jamaican Blue Mountain coffee so good. [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…]

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…]