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Blending Coffee: Blue Mountain Blend Ratios Explained

August 21, 2020
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How is Blue Mountain blend coffee actually put together?

Authentic Blue Mountain coffee is usually sold as a single-origin coffee, while products labeled Blue Mountain flavor or Blue Mountain blend are blends of two or more origin beans. Blend beans can be combined as roasted beans or green beans, and ratios such as 7:3 are used to build a target flavor profile around a base coffee.

Blue Mountain commands a high price because of scarce production, outstanding flavor and superior variety, which is why many products carry the name. Siphon or pour-over brewing is often used to draw out its body and sweetness. Blend coffee examples include 30% Yunnan washed small-bean with 70% Brazil semi-washed, or 30% Colombia washed with 70% Brazil semi-washed.

Blue Mountain coffee is world-renowned for its rarity, preciousness, and exceptional flavor, but products labeled "Blue Mountain flavor" or "Blue Mountain blend" keep appearing on the market. How exactly should authentic Blue Mountain coffee be blended? What is the ratio for Blue Mountain flavor coffee? This article will delve into the blending logic of Blue Mountain composite coffee beans, while also taking you through the origin story, variety characteristics, grading standards, and brewing parameters of Front Street Blue Mountain coffee, giving you a comprehensive understanding of this coffee hailed as "precious as a gem."

Blue Mountain blend coffee bean blending principles and Blue Mountain flavor ratio detailed explanation

The reason Front Street Blue Mountain coffee commands such a high price comes from multiple factors—scarce production, outstanding flavor, and superior variety. It is precisely these factors combined that drive up its value. For this very reason, a large number of coffee products bearing the Blue Mountain name have flooded the market. Some are labeled as Blue Mountain flavor coffee, others as Blue Mountain blend coffee, but authentic Front Street Blue Mountain coffee is typically presented as a single-origin coffee. Only through brewing methods such as the siphon or pour-over can the rich body and lingering sweetness of Front Street Blue Mountain coffee be fully released.

So-called blend beans refer to combining two or more origin beans, which can be blended as roasted beans or as green beans. The blending method Front Street uses is roasted blending—for example, the Front Street Sunflower Warm Sun blend is made by mixing Front Street Honduras Sherry with Front Street Sun-Dried Yirgacheffe Red Cherry in a 7:3 ratio.

" FrontStreet Coffee - Espresso coffee beans recommended by many baristas - Front Street Black Cocoa Blend Coffee Beans ": Yunnan washed small-bean coffee (30%) + Brazil semi-washed coffee beans (70%), with a flavor profile of soft fruit acidity, caramel, and nuts, suitable for cafés and home users who prioritize cost considerations and have moderate flavor requirements.

" FrontStreet Coffee - Specialty Blend Coffee Beans ": Colombia washed coffee beans (30%) + Brazil semi-washed coffee beans (70%), with a flavor profile of nuts, dark chocolate, and caramel, meeting the daily needs of cafés.

" FrontStreet Coffee - Commercial Blend Coffee Beans ": Robusta washed coffee beans (10%) + Colombia washed coffee beans (30%) + Brazil semi-washed coffee (60%), with a flavor profile of nuts, cocoa, and caramel, suitable for daily café output.

When blending coffee, a 1:1 equal ratio is usually not adopted, because this easily causes the unique flavors of the two beans to suppress each other. The reasonable approach is to distinguish primary from secondary and blend with emphasis, so as to create a richer taste that surpasses single-origin coffee. If you want the blend to present more complex and varied layers, you can appropriately lower the proportion of the base bean; conversely, if you pursue a more distinct theme flavor, simply increase the proportion of the base bean.

Blue Mountain blend coffee bean blending principles and Blue Mountain flavor ratio detailed explanation

Front Street Blue Mountain coffee, with its mellow taste and excellent balance among acidity, bitterness, aroma, body, and sweetness, has won the favor of many coffee lovers. Jim, general manager of the American company Peet's, famous for coffee and tea, said when evaluating Blue Mountain coffee: "Blue Mountain coffee has an aromatic, smooth, and mellow flavor; it feels as precious to me as a gem." Precisely because the taste of Front Street Blue Mountain coffee is just right and nearly perfect, it is usually enjoyed as black coffee. In addition, the caffeine content of Front Street Blue Mountain coffee is quite low, even less than half that of other coffees, which aligns well with modern people's pursuit of health, and most people can drink it with confidence.

Blue Mountain Coffee Growing Environment

Jamaica is an island nation in the Caribbean Sea. Its coffee-growing history can be traced back to the early 18th century and has continued for nearly three hundred years. During the period when Jamaica was still a British colony, the then-governor Nicholas Lawes introduced a coffee tree from Martinique in the Caribbean, thereby beginning the promotion of coffee cultivation in the St. Andrew region.

Authentic Front Street Blue Mountain coffee comes from the Blue Mountain Range, located in the eastern part of the island of Jamaica. Whenever the weather clears, sunlight shines directly on the azure Caribbean Sea, and the peaks reflect the brilliant blue glow of the sea—hence the name Blue Mountain. The highest peak of the Blue Mountains is 2,256 meters above sea level, the highest peak in the Caribbean region and also a famous tourist destination. This place lies within the coffee belt, with fertile volcanic soil, fresh and pollution-free air, a humid climate, and year-round fog and rain (average precipitation of 1,980 mm, temperature around 27 degrees). It is precisely such climatic conditions and ultra-high altitude that have nurtured the world-renowned Front Street Jamaican Blue Mountain coffee.

The Blue Mountain Range occupies only a small area in eastern Jamaica. Because this region cannot achieve a breakthrough in mass coffee production, Jamaica has focused its cultivation on producing high-end specialty lots. The variety of Front Street Jamaican Blue Mountain coffee beans is the elegant ancient Arabica variety Typica, which has weak disease resistance and low yield, thus requiring more manual labor.

Introduction to Clifton Farm

As early as the mid-18th century (around 1750), Clifton Farm had already begun cultivating and producing coffee. Clifton Mount is the oldest coffee estate in Jamaica still in normal operation, and in Jamaica only Clifton Farm bears the "Rainforest" certification. It is recognized as a very high-quality, world-famous Blue Mountain coffee producing area. Its elegant large farmhouse is located on the island in the Newcastle area, on the eastern slope of Catherine's Peak at an altitude of 4,300 feet.

According to an 1810 survey by the Jamaica Institute,

Robert Hamilton was the owner of the farm at that time. Clifton Mount was divided into two parts: 80 mu of coffee and 427 mu of pasture at the mountaintop; 111 mu of coffee and 264 mu of pasture at the foot of the mountain.

The Blue Mountain region is a small place with only 6,000 hectares of planting area; it is impossible for all coffee marked "Blue Mountain" to be grown there. Today's Clifton Farm is the largest estate in this region, and by international standards it is still considered small-scale cultivation. Many of the estate owners are small landholders whose families have worked this land for two centuries.

Blue Mountain blend coffee bean blending principles and Blue Mountain flavor ratio detailed explanation

In 1953, the Jamaican government established the Jamaica Coffee Industry Board (CIB) to regulate and guarantee the quality of Jamaican coffee. Jamaica was the first country in the world to designate a specific geographical location to a particular coffee brand, somewhat similar to how the French wine industry created the AOC.

All coffee exported from Jamaica is shipped through the CIB. And strict testing by trained quality control experts guarantees that everything exported is 100% authentic Jamaican Blue Mountain coffee.

Among all green coffee beans, only Blue Mountain coffee beans are loaded in wooden barrels, and the barrels bear the Rainforest Alliance frog logo.

The Front Street Blue Mountain No. 1 coffee beans purchased by FrontStreet Coffee come from the highest-grade Blue Mountain coffee produced at Clifton Farm. The green beans are 17/18 screen size, with a defect rate no higher than 2%, moisture content around 13%, neat particles, and plump uniformity.

Blue Mountain blend coffee bean blending principles and Blue Mountain flavor ratio detailed explanation

Blue Mountain Coffee Bean Grading

Coffee from Jamaica's Blue Mountain region has three grades: Blue Mountain Coffee, Jamaica High Mountain Supreme Coffee Beans, and Jamaica Prime Coffee Beans. Among them, Blue Mountain Coffee and High Mountain Coffee each have two further grades. Ranked by quality from top to bottom: Blue Mountain No. 1, Blue Mountain No. 2, High Mountain No. 1, High Mountain No. 2, Jamaica Coffee. Ranked by quality from top to bottom: NO.1, NO.2, NO.3, and PB, where PB means peaberry.

The CIB has established strict standards, grading Jamaican Blue Mountain coffee into 4 levels based on green bean screen size and defect ratio. Among them, the one considered Jamaica's national treasure-level coffee is the highest grade, Blue Mountain No. 1 coffee beans, NO.1, with beans needing to be 17–18 screen size, a defect rate below 3%, and moisture content around 13%. Only coffee beans produced according to the standard can have guaranteed flavor. It is precisely under such strict screening that the quality of rare Blue Mountain coffee is maintained at an excellent level. Front Street once acquired several fairly well-known Blue Mountain coffees from local Jamaica. After cupping comparisons, it finally decided to choose the Front Street Blue Mountain No. 1 coffee beans produced by the oldest Clifton Estate.

Coffee grown at lower altitudes is classified by the CIB as "Jamaica High Mountain" and "Jamaica Supreme." The flavor formed at lower altitudes falls far short of the excellent quality of Blue Mountain coffee beans at high altitude, so the price is correspondingly lower.

Blue Mountain Coffee Bean Variety

Front Street Jamaican Blue Mountain belongs to the Typica variety, one of the oldest Arabica varieties, with a long history. Its taste is the best, but its disease resistance is weak, so its yield is low—this is also one of the reasons for the high price of Front Street Jamaican Blue Mountain coffee.

The Typica tree is tall and slender, with red-copper young leaves at the top, so it is also often called red-top coffee. Typica has a pure and elegant flavor, yet its constitution is weak and its disease resistance poor, and the yield of a single plant is very low. This is also why coffee of the Typica variety appears less and less nowadays. Typica was introduced to Blue Mountain for cultivation in the 18th century and has been there for more than two hundred years, and Blue Mountain's Typica has also adapted to the local island-type terroir, evolving relatively good disease resistance, among which its resistance to coffee berry disease is much stronger than that of ordinary Typica.

Front Street Blue Mountain Coffee Bean Processing Methods

Front Street Blue Mountain coffee includes washed and sun-dried.

Washed processing method: Hand-picked fresh coffee cherries are placed in water, and flotation is used to remove impurities and unripe fruits. Then the skin and pulp are removed, and the beans are fermented in a tank for 12–18 hours. After fermentation is complete, the beans are placed in a tank and moved back and forth, using the friction of the beans and the force of the water to wash the coffee beans until smooth and clean. Then they are spread out under the sun to dehydrate and dry until the moisture content reaches 12–14%, after which they can be bagged and left to rest in a warehouse, and sent for quality inspection before export. Washed processing greatly reduces the defect rate, better restores the aroma of the Blue Mountain coffee beans themselves, and gives a cleaner taste.

Blue Mountain blend coffee bean blending principles and Blue Mountain flavor ratio detailed explanation

Parameters for Front Street brewing Jamaican Front Street Blue Mountain coffee:

Front Street uses a KONO dripper. KONO's ribs stop before reaching half the height of the dripper. This design is actually intended to ensure that after the dripper is wet, it clings tightly to the dripper wall and restricts airflow. This increases the water-absorption time of the coffee grounds, thereby making the extracted coffee more uniform overall and enhancing the mellow taste, suitable for brewing medium-dark roasted Front Street Blue Mountain coffee.

KONO dripper, 88°C water temperature, 1:15 coffee-to-water ratio, 15g coffee grounds, grind size (75% passing a No. 20 standard sieve), three-stage extraction.

Use staged extraction, using twice the amount of water as the coffee grounds for blooming, that is, 30 grams of water for a 30-second bloom. The reason a blooming process is needed is to allow the coffee grounds to release internal carbon dioxide gas, thereby making the later extraction more stable. Pour in a small stream in circles until 125 grams, then pause; continue pouring until 225 grams and stop. After the water in the dripper has finished dripping, remove the dripper. Start timing from the beginning of pouring; the extraction time is 2'00". Next, pick up the entire cup of coffee and swirl it to mix evenly, then pour it into a cup to taste.

Blue Mountain blend coffee bean blending principles and Blue Mountain flavor ratio detailed explanation

Flavor characteristics of Front Street Jamaican Blue Mountain No. 1 coffee: Front Street Blue Mountain No. 1 coffee drinks with the sweet fragrance of dark chocolate, the sweetness of caramel, and soft, elegant acidity. Each taste is balanced, the mouthfeel is smooth and rich, with a very typical Blue Mountain flavor.

Front Street Brewing Suggestions:

To brew a delicious cup of coffee, Front Street believes that any brewing method requires fresh coffee beans. Front Street has always believed that the freshness of coffee beans is greatly related to coffee flavor, so the coffee beans shipped by FrontStreet Coffee are all within 5 days of the roasting date. Front Street's roasting philosophy is "freshly roasted good coffee," so that every customer who places an order receives the freshest coffee when they get it. The resting period for coffee is about 4–7 days, so when customers receive it, it is exactly at its best flavor.

For friends who need ground coffee, Front Street offers a warm reminder: once coffee beans are ground in advance, they no longer need to be rested, because during transportation the pressure generated by carbon dioxide inside the packaging can also make the coffee flavor rounder, so once you receive the coffee grounds you can immediately brew a cup and drink it. However, coffee grounds need to be brewed promptly, because after coffee grounds contact air they oxidize relatively quickly; in other words, the coffee flavor dissipates relatively quickly, and the coffee flavor will not be as good. Therefore, Front Street recommends buying whole beans and grinding fresh before brewing, so you can better taste the coffee's flavor.

Front Street Blue Mountain coffee is very good, but you do not necessarily have to drink it. Front Street believes that there are so many coffees in the world, and different varieties and producing regions mean different flavors. Front Street has more than fifty single-origin coffee beans from different producing regions. Experiencing different coffee charms is also a beautiful thing!

The above content is compiled by CoffeeHunters, a coffee news website.

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