Fruity coffee fruit flavors often present a natural sweet-and-sour aroma, making them one of the most prized qualities in specialty coffee. They are generally divided into stone fruits (peach, apricot, apple), citrus (orange, lemon, pomelo, sweet orange), and berries (raspberry, strawberry, blackberry, blackcurrant, cherry). Generally speaking, [more…]

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…]

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…]

In the past, when some friends who wanted to taste Geisha coffee came to Front Street Coffee and ordered Geisha, the baristas at Front Street would carefully ask, "Do you mean Ethiopian Geisha or Panamanian Geisha?" Everyone would be confused about the difference between these two Geishas. Nowadays, the name of Panamanian Geisha [more…]

Cold brew and ice drip have very clear requirements for beans: strong flavor, ample sweetness, and high cleanliness. The passion fruit and blueberry flavors of Front Street Coffee Colombia Sidra slowly emerge in ice drip, with a juicy quality as rich as fruit tea; the sweet aroma of strawberry candy makes a cold brew in which the strawberry gummy character stands out even more at low temperatures. Choose the right beans, and the flavor concentration of cold brew and ice drip [more…]

When people think of Africa, their first impressions are often: deserts, drought, tribes, poverty, mystery, and so on. Yet it is precisely this climate and environment that have made it a paradise for coffee trees. The world's first coffee tree was discovered in the Horn of Africa. Over time, Ethiopian coffee has long become a topic everyone loves to talk about [more…]

The home method for cold brew coffee is not complicated; what truly shapes the final style is often the roast level of the coffee beans. Steeped in cold water the same way, light roasts tend to leave bright fruity acidity and aroma, medium roasts come across sweeter and smoother, and dark roasts have pronounced cocoa, nutty notes, and a heavy body. To make a jug of cold brew that suits your taste, [more…]

Bourbon Coffee Introduction: Bourbon coffee was first cultivated on the island of Bourbon, now known as Reunion Island, located about 650 km east of the famous Madagascar. Along with Typica, Bourbon is considered one of the oldest existing high-quality coffee varieties. Tracing its roots, [more…]

The natural process, as the name suggests, is to spread the harvested coffee cherries flat on the ground (on dedicated drying nets or patios) and use direct sunlight (for about 2-3 weeks) to remove moisture from the coffee fruit until the moisture content reaches the target level, after which machines are used to remove the dried husk to obtain the green coffee beans we want. Natural process [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…]

圣马可火山产区在危地马拉八大咖啡产区中以降雨量最高、气候最温暖而著称。Santiaguito活火山带来的火山灰让土壤格外肥沃，丰沛的雨水与较早到来的花期也赋予了这里咖啡豆与众不同的个性。本文将深入介绍圣马可产区的种植环境、处理方式与风味表现，并附上前街咖啡对该产区豆子的风味解读，带你全面了解这片偏远而独特的咖啡乐土。 [more…]

Yemen is the birthplace of commercial coffee cultivation, and the port of Mokha was once the starting point of the global coffee trade. This article takes you through the long history of Yemeni coffee, its unique processing methods, and how it performs in the cup. [more…]

The roast level of pour-over coffee beans determines whether the flavor leans more toward floral and fruity, tea-like notes, or nuts, cocoa, and caramel. For those just starting to brew coffee at home, looking first at light, medium, or dark roast makes it easier to build judgment than fixating solely on origin names. Roast level does not represent a quality grade; rather, it helps you anticipate the flavor profile. [more…]

When you first start buying hand-brewed coffee beans, roast level is a very practical entry point to observe. It affects the coffee's sweet-and-sour expression, aroma type, mouthfeel weight, and brewing fault tolerance. When faced with descriptions on the packaging such as floral, fruity, nutty, or caramel, you can first judge whether the beans are light roast, medium roast, or dark roast, and then think about what kind of cup you want to drink. [more…]

Washed coffee beans often have a clearer sweet-and-sour profile and a clean finish, while the roast level determines how these characteristics present themselves. Light roasts more easily preserve the aroma of origin, medium roasts push sweetness and body to the forefront, and dark roasts let caramel, cocoa, and roasted notes take center stage. When choosing, look at the roast label first, then [more…]

To present a clear, full-bodied sweetness in Americano, the release state of aromatic compounds inside the coffee beans plays a key role. Freshly roasted coffee beans accumulate a large amount of carbon dioxide internally, and these gases hinder the even contact between hot water and coffee grounds, easily bringing out rather harsh off-flavors. As the gas releases steadily, [more…]

When it comes to acidic coffee, many people may only think of Ethiopia's Yirgacheffe, Huakui, or Panama's Geisha, but they don't know that Kenyan coffee also has a rich sweet-and-sour aroma and a juice-like mouthfeel. Kenyan coffee is usually processed using the double washed method, with varieties being SL28 and SL34. [more…]

The Hawaiian Islands lie south of the Tropic of Cancer, and thanks to their volcanic soil and tropical climate, they produce coffee that is recognized worldwide as exceptional. The Kona growing region is the most famous, yet the history of coffee cultivation in Hawaii has been full of ups and downs—from its first introduction in 1825 to infestations of pests and diseases, and then the rise of small estates, spanning nearly two centuries. This article examines the full picture of Hawaiian coffee, from the history of its growing regions and flavor characteristics to the Kona certification system and emerging sub-regions such as Kau, Hamakua, and Puna, and explores how roasters like Front Street Coffee bring out its distinctive charm. [more…]

Freshly roasted coffee beans are rich in carbon dioxide internally. Under the heat of a medium roast, a loose, porous structure forms, and these gases are gradually released over the following days. If you grind and brew the beans immediately after getting them, the vigorous bubbling of gas will hinder full contact between the water and the coffee grounds, leading to uneven extraction. [more…]

Since the beginning of this year, a coffee origin called Alo Village has quickly risen to fame in coffee circles both at home and abroad, with extremely high exposure and discussion. In conversations with multiple roasters and buyers, Front Street Coffee has also clearly felt the continued rise in popularity of this origin. So, what is it about this suddenly "ubiquitous" Al [more…]