Tanzania is a major coffee-producing country in East Africa, and the Kilimanjaro region is a hallmark of specialty coffee. The Kilimanjaro coffee on Front Street Coffee's bean list presents a washed Typica variety with honey-like sweetness and citrus-nut notes. Drawing on Front Street's cupping and brewing experience, this article explains in detail the flavor differences between Kilimanjaro and the southern regions, processing methods, and variety characteristics, and shares parameter ideas for medium-light roasting and three-pour brewing, helping coffee lovers understand the full-bodied texture and unique acidity of Tanzanian coffee.
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Tanzania is a typical East African country. When talking about Tanzanian coffee, one cannot fail to mention the coffee produced in the Kilimanjaro region. Tanzanian coffee was introduced by missionaries, and the variety was Bourbon. Mount Kilimanjaro is located in northeastern Tanzania and is the highest mountain range in Africa. Coffee produced in the Kilimanjaro region is absolutely the best representative of Tanzania, and Front Street's bean list includes coffee beans from Mount Kilimanjaro in Tanzania.
When Front Street mentions African countries, people may have the impression that Tanzania and other African countries have hot, dry climates. The Kilimanjaro region of Tanzania is an exception. Why does Front Street say this? Because although mountain temperatures on Kilimanjaro can reach as high as 59 degrees Celsius, the summit can remain snow-covered year-round, dropping to minus 34 degrees Celsius, which is why Kilimanjaro is also known as the "Snow-capped Peak on the Equator." As for rainfall, the river valley can receive 800 to 900 mm annually; the mountain area is cool and rainy, with annual precipitation on the windward slope reaching 1,600 to 1,800 mm. Coffee grows in the climate and geographical environment provided by this "Snow-capped Peak on the Equator," which is highly conducive to the accumulation of coffee compounds.
In Front Street's view, this unique climate is a treasure trove for growing coffee. The volcanic soil of the high Kilimanjaro mountains is fertile, slightly acidic, and well-drained. The combination of climate and geology makes the coffee flavor richer. Therefore, this Tanzanian coffee bean launched by Front Street has a very high-quality sweetness and red wine character, with the typical characteristics of African Ethiopian coffee beans.
Because Tanzania has abundant rainfall, the washed processing method is mostly used in Tanzania to process coffee beans. This Kilimanjaro coffee from the northern highlands of Tanzania that Front Street offers is washed processed. Coffee farmers deliver the harvested coffee cherries to the nearest processing station for processing. The general washed processing method is as follows:
1. Screen and remove impurities mixed into the coffee cherries. 2. Remove the coffee pulp and outer skin. 3. Send them into fermentation tanks, where fermentation removes the pectin layer adhering to the parchment. 4. After washing clean, dry them; when the moisture content of the coffee beans drops to about 11%, they can be stored in the warehouse. Because the washed processing method is used, the silver skin center line of this Tanzanian Kilimanjaro coffee bean from Front Street is preserved. However, too much silver skin on coffee beans is not a good thing, because after grinding the coffee beans into powder, the silver skin will also remain in the coffee grounds, affecting the extraction of coffee compounds.
In appearance, Front Street's Tanzanian Kilimanjaro green coffee beans are uniform in size, slightly elongated in shape, and plump, which is the typical bean shape of the Ethiopian Typica variety. The coffee varieties commonly grown in Tanzania are Bourbon, Typica, and Kent. The variety of this Tanzanian coffee from Front Street is Typica, one of the ancient varieties. It performs extremely well in taste and is recognized as a specialty coffee variety; its only drawback is low yield and susceptibility to leaf rust.
The Tanzanian Kilimanjaro coffee beans from the new crop season have a relatively high moisture content, so the dehydration time needs to be extended to allow the bean surface and bean core to heat evenly. In addition, in order to highlight the sweetness, acidity, and floral-fruity aroma of this Tanzanian coffee bean, Front Street decided to use a medium-light roast, extending its caramelization reaction after first crack to make the sweetness more pronounced.
Afterward, Front Street cupped this roasted coffee bean. The dry aroma of this coffee bean from Mount Kilimanjaro in Tanzania had a slight orange freshness and a caramel feel. During the wet aroma, this feeling was even more obvious. Throughout Front Street's cupping process, when the coffee liquid was still at high temperature, the coffee flavor leaned more toward citrus, nuts, honey, and cream; after cooling, the feeling became acetic acid, cocoa, and spice similar to the pungency of black pepper.
Therefore, after summarizing the cupping situation of this Tanzanian coffee, Front Street found that its advantage is medium-high sweetness, similar to honey, with balance, but its disadvantage is medium-low acidity, not as pronounced as Kenyan coffee beans, and it carries a slight astringency when cooled. So the brewing plan should maximize strengths and avoid weaknesses, highlighting the advantages and reducing the appearance of the disadvantages. Front Street's parameters for brewing this coffee are: choose 15 grams of coffee beans, a coffee-to-water ratio of 1:15, a water temperature of 90 degrees Celsius, a grind setting of BG grinder #6M, and a V60 dripper.
Use Front Street's commonly used three-pour method for brewing. Use 30 grams of water for a 30-second bloom. Pour in a small stream in circles until 125 grams, then pause. When the water level drops and is about to expose the coffee bed, continue pouring until 225 grams and stop. When the water level drops and is about to expose the coffee bed, remove the dripper. (Start timing at the beginning of the bloom.) The extraction time is 2'00". The brewed Tanzanian coffee tends more toward citrus and nuts on the palate, with a smooth mouthfeel and a dark cocoa finish. When cooled, it carries honey sweetness and spice notes, with lower astringency.
This is the basic flavor of Tanzania's Kilimanjaro region, because Tanzanian coffee cultivation areas are mainly Mount Kilimanjaro and southern Tanzania. Front Street has already cupped the coffee beans from Mount Kilimanjaro, so how do the coffee flavors of southern Tanzania differ from Kilimanjaro? Front Street is very curious, and has also compared coffee beans from southern Tanzania.
This southern-region coffee bean, like the Kilimanjaro coffee bean, uses the washed method commonly used in the Yirgacheffe region of Ethiopian coffee beans, but the variety is Bourbon. Bourbon coffee also has very high sweetness and bright acidity, and its yield is even higher than that of Typica coffee, while also being susceptible to leaf rust.
This southern Tanzania coffee bean, like the coffee bean from Mount Kilimanjaro, uses a medium-light roast to highlight the coffee flavor of the southern region. Its cupping profile is: Dry aroma: berries, fermentation Wet aroma: berries, floral Cupping: citrus, caramel, nuts, fermented aroma Flavor: Front Street used the same method to brew this southern-region coffee bean. The floral aroma is also very rich, carrying the acidity of berries and citrus, with a slight nutty flavor in the finish.
These two Tanzanian coffees each have their own unique flavors. Coffee beans from different altitudes also have very inconsistent flavors. Southern-region coffee has rich floral aromas, winey notes, and soft acidity; coffee from the Kilimanjaro region has bright acidity and a full-bodied mouthfeel, and thanks to the fertile volcanic soil, it carries a mineral-water-like sweetness. It is precisely because Tanzanian coffee has a full-bodied texture, suitable acidity, and rich aroma that Europeans in the past called Tanzanian coffee "coffee gentlemen." Everyone can choose according to their own taste preferences.
The above content is compiled by CoffeeHunters, a coffee news website.
