Anaerobic Fermentation has been very popular in the coffee world in recent years, mainly because Sasa Sestic, the Australian competitor who won the 2015 WBC, started this trend, and even in 2018 WB [more…]

Anaerobic natural, lactic fermentation, barrel-aged, yeast inoculation—the vocabulary of specialty coffee processing methods has exploded in recent years, and coffee menus increasingly read like a brewery's process manual. These experimental processing methods are not marketing coinages; each one corresponds to a genuine technological innovation. This article maps out the mainstream lineage and examines "flavor alchemy." [more…]

If you had to trace the "Kenyan taste" back to its processing origins, the answer would most likely point to double washing. This method, known locally as K72, polishes the fruit acidity of Kenyan coffee until it is bright, solid, and yet still clean. Once you understand double washing, you understand where the signature juicy quality of Kenyan beans comes from. Double Washing [more…]

Whether sun-dried or washed, coffee processing originally existed simply to dry the beans so they could be stored conveniently. But once people discovered that different processing methods give coffee different flavor variations, more and more processing methods emerged to serve flavor. For example, now [more…]

Kenyan coffee is world-renowned for its bright and complex acidity, and the K72 washed processing method pushes this characteristic to the extreme. This article will take you deep into Kenya's coffee origins and variety composition, break down every step of the K72 double fermentation process in detail, and compare and taste the flavor differences brought by washed and natural processing methods. From the Asali Honey Processing Station in the Thika region to the French Mission Bourbon at Hania Estate, we will use two coffees of distinctly different styles as samples to analyze their aroma, acidity, sweetness, and aftertaste. Whether you are a beginner just getting to know Kenyan coffee or an experienced enthusiast looking for brewing inspiration, this article can provide you with valuable reference. [more…]

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…]

Kenyan coffee is renowned worldwide for its bright, uplifting fruit acidity and full, berry-juice-like mouthfeel. The formation of this unique flavor is inseparable from the local high-altitude volcanic soil, the two major varieties SL-28 and SL-34, and the signature K72 double washed processing method. This article will systematically sort out the core characteristics of Kenyan coffee, from terroir and variety origins to processing techniques, roasting, and extraction, and introduce the flavor performance of several representative Kenyan beans available at Front Street Coffee shops. In addition, it will share three iced drink methods suitable for showcasing Kenya's acidity—ice hand pour, ice drip, and cold brew—to help coffee lovers who enjoy fruity acidity brew a refreshing and pleasant cup of Kenyan coffee at home. [more…]

For coffee beans with tropical fruit flavors, the core of the flavor lies in the fermentation: the fermentation in natural processing transforms sugars into the sweet aromas of tropical fruit. Front Street Coffee's Kafa Forest has orange and apricot notes with an oolong tea-like finish, where the tropical sweetness carries a layer of tea-like freshness; Granja Estate's Geisha natural version, meanwhile, is a rich expression of guava and strawberry jam, [more…]

“Huh? Why does this coffee smell kind of like soy sauce?” a customer asked cautiously, full of confusion, after sniffing the dry aroma of the coffee grounds Front Street had handed over. This was not actually the first time Front Street had received such a question. Besides “soy sauce,” there were also things like “ [more…]

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 the same estate, the same variety, and the same harvested batch of coffee cherries, the flavor in the cup can be as different as two distinct beans—simply because of a different processing method. This is the magic of coffee processing. In the microscopic world, it uses microorganisms and time to perform the alchemy of flavor. The washed method is the oldest mainstream technique, and its logic is "to do [more…]

The processing method of coffee has always been the key link in the refined processing of green coffee beans. With the development of market demand and the exploration of the industry, on the basis of the mainstream "three major processing methods", [more…]

For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). The bright fruit acidity and vivid, full, outstanding mouthfeel of Kenyan coffee make it unforgettable to anyone who has tried it. Front Street Coffee has cupped quite a few coffee beans from different producing regions in Kenya. If we were to say that high [more…]

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…]

Front Street often receives many questions like these: "What beans are suitable for a moka pot?", "What beans are suitable for a coffee machine?", or "What beans are suitable for cold brew?"... Many beginners mistakenly believe that a certain extraction method has the most suitable coffee beans, but in reality, regardless of [more…]

"Variety" is another consideration some friends use when selecting coffee beans, in addition to flavor and origin. Sidra, transliterated from "Sidra," also known as "Sydra" or "Bourbon Sidra." In Spanish, Sidra means "apple juice." [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…]

近年来咖啡豆标签上的处理法描述越来越长，以厌氧为主的各类特殊处理层出不穷。不少消费者喝到风味独特的厌氧咖啡时，会怀疑是否在烘焙时添加了香精。本文梳理厌氧日晒与厌氧水洗的区别、特殊处理法为何多由资金雄厚的庄园主导，并引用世界冠军Sasa的观点，厘清增味咖啡与添加酵素、酵母发酵的本质区别，同时解答厌氧咖啡是否等同香精豆、会不会危害身体健康等疑问，帮助咖啡爱好者更透明地了解杯中风味从何而来。 [more…]

When buying coffee beans, aside from paying attention to origin and flavor, we also choose coffee beans that have undergone different processing methods. This is because different processing methods bring out different flavor characteristics in coffee; even coffee from the same origin, when processed by washed and natural methods respectively, will display different mouthfeels. For example, on the Front Street Coffee menu, [more…]

咖啡的风味千变万化，除了品种和烘焙，生豆处理环节中的发酵工艺起着决定性作用。日晒、水洗、蜜处理这三种常见方法，各自依托不同的发酵环境与微生物作用，塑造出截然不同的甜感、酸质与醇厚度。本文从发酵的科学原理讲起，系统梳理干发酵与湿发酵的差异，详解日晒、蜜处理、水洗及肯尼亚式、埃塞俄比亚式水洗的工艺要点，并附上前街咖啡的推荐与选购建议，帮助你更清晰地理解杯中风味从何而来。 [more…]