Why Do Espresso Recipes Rely on Blended Coffee Beans?

Blended coffee beans are single-origin coffees from different regions mixed together in set proportions to build a balanced flavor profile. The practice began in Italy, where espresso needed a consistent taste from a bean that could stand up to pressure and milk. Pre-roast blending mixes green beans before roasting; post-roast blending combines beans roasted separately, giving the blender more control over each component.

Blending is not simply tossing beans together. The blender must know how each origin behaves, since a bright, citrus-forward Yirgacheffe and an earthy Mandheling pull in opposite directions and can clash at a one-to-one ratio. Proportion control and flavor harmony are what make blending coffee work, and espresso generally uses blends because a single origin rarely delivers both body and stability in the cup.

Blended coffee beans are the core foundation of espresso and a craft that baristas continually explore. What exactly is blended coffee? Why was it born in Italy and why is it still popular today? What are the pros and cons of pre-roast blending versus post-roast blending? And why must espresso use blended beans rather than single-origin beans? From the perspective of Front Street Coffee, this article systematically sorts out the definition, historical origins, blending logic, and methods of blended coffee, and introduces in detail the recipe characteristics and flavor performance of Front Street's four espresso blends, along with practical parameters for pour-over blended coffee, helping coffee lovers fully understand the value and usage of blended coffee beans.

At Front Street, regular customers often repurchase espresso blends, while first-time visitors who see baristas selling several kinds of beans mixed together can't help but feel puzzled. In fact, this is blended coffee, also called mixed coffee. Today, Front Street would like to use this article to talk with everyone about what blended coffee is really all about.

What Is Blended Coffee

Friends familiar with coffee know that single-origin coffee refers to coffee beans from a single region, such as Front Street Ethiopia Yirgacheffe or Front Street Indonesia Mandheling, each carrying distinct regional flavor characteristics. Blended coffee, on the other hand, is made by mixing single-origin beans from different regions in a certain way. However, Front Street must point out that blending is by no means just grabbing a few beans and stirring them together. Strict requirements apply to the control of proportions and the harmony of flavors—only then is it possible to blend a delicious coffee.

For example, if you blend Front Street Ethiopia Yirgacheffe with Front Street Indonesia Mandheling, the tone of these two beans is almost diametrically opposed—one has a fresh lemon-citrus note, while the other carries herbal and earthy notes. If mixed one-to-one, Front Street really cannot imagine what kind of dark flavor that would be. It is clear that blending beans is indeed a matter of great refinement and cannot be done arbitrarily.

In Front Street's view, blended coffee beans are more like an art. The blender must first be familiar with the flavor characteristics of coffee from major regions in order to create a pleasant aroma and make the coffee more delicious overall. This relies not only on a great deal of experience and inspiration but also on precise proportion calculations. So saying that blending is an art is no exaggeration.

Since it is a blend, it usually refers to a combination of two or more original beans. But there is a special case: different roast levels of the same coffee bean can also be blended together, and even new beans, aged beans, and old beans of the same type can be blended. Therefore, the "types" mentioned in blending are no longer limited to coffee varieties in the narrow sense but extend to the flavor level. Generally, blending uses 2 to 6 kinds of coffee beans; too many types will instead make it difficult for unique flavors to stand out.

Why Blend Coffee

At this point, some friends will surely ask Front Street: single-origin coffee already tastes good enough, so why blend coffee beans at all?

In fact, the origin of blended coffee is Italy. The espresso commonly seen in cafes, whether latte, mocha, or cappuccino, all use blended beans. The reason is that blending can make coffee that is not originally full-bodied become richer. Where there is demand, there is a market. Initially, Italian blended coffee appeared because rich, bittersweet espresso was popular at the time, while single-origin coffee often had heavily weighted flavors with both strengths and weaknesses present at once. In addition, high-quality single-origin beans were expensive, while blended coffee was more cost-effective, priced lower than single-origin while still achieving distinctive flavors. So many Italians at the time chose blends rather than single-origin, and blended coffee thus developed and has been passed down to this day.

The most important purpose of blended coffee is to maintain flavor stability and taste balance. Coffee fruit is ultimately an agricultural product, and due to climate and environmental changes each year, the flavor may be unstable—sweet this year, less sweet next year. Mixing several coffee beans together can solve this problem well, at least keeping the coffee flavor consistent from year to year.

There is another point that often causes confusion: why can't espresso be made with single-origin beans? This is because the espresso machine has a characteristic of amplifying the most prominent flavor of the coffee beans. For example, Ethiopia Yirgacheffe features citrus-lemon acidity, and the espresso machine further amplifies that acidity; while Indonesia Mandheling is mainly herbal, earthy, and bitter, and the espresso machine amplifies the bitterness. Therefore, Front Street Coffee (FrontStreet Coffee) does not use single-variety beans to make espresso, otherwise the final product would be very unbalanced and affect the taste. This is exactly why espresso uses blended beans.

How Blended Coffee Beans Are Blended

Blended coffee is divided into pre-roast blending and post-roast blending. Pre-roast blending is mixing the coffee beans before roasting, while post-roast blending is roasting first and then mixing. Front Street believes that the advantage of pre-roast blending is that the same roast level can be used to make the flavor stable and uniform, completed in a single roast, and the same roast level can also greatly reduce quality control difficulty and improve efficiency. But the limitations of pre-roast blending are also obvious: it is generally recommended to choose several beans with relatively similar density, otherwise the flavor may be even worse than the original performance of each region. For example, beans suitable for a light roast need to be roasted together with beans also suited to a light roast in order to complement each other; pairing a light-roast bean with a dark-roast bean and roasting them together is clearly mismatched, and the flavor will suffer.

As for the advantage of post-roast blending, Front Street believes it lies in being able to roast each bean at its most suitable roast level separately, maximizing each one's characteristics. But the disadvantage of post-roast blending is that daily quality control and management are more difficult, the roast dates are inconsistent, and more resting periods need to be monitored. Imagine using four or five beans for post-roast blending—one product would require keeping track of four or five roast dates. So post-roast blending and pre-roast blending each have their strengths and weaknesses, yet their purpose is the same—to make the coffee flavor better.

Of course, there are also two ways to blend. One is blending coffee beans from different regions, such as the best-selling Front Street Classic Blend and Front Street Commercial Blend, both of which add a small amount of Robusta on top of Arabica, giving the espresso rich crema and enhancing body.

The other is blending between different coffee varieties. For example, Front Street Butterfly is famous for blending about 70% Geisha variety, and there is also Front Street Costa Rica Mirazu Estate Geisha Blend, which mixes half Geisha variety and half SL28, ET47, and Maico. However, Front Street believes that calling coffee beans made by mixing different varieties a "blend" is more about highlighting one particular variety and is not blending in the traditional sense. Interestingly, if mixing different varieties also counts as blending, then most of the coffee beans we commonly see would be blends—for example, Kenya often mixes SL28 with SL34.

Front Street Coffee (FrontStreet Coffee)'s Four Blended Coffee Beans

As Front Street said above, blended coffee beans are an art—you cannot succeed just by mixing casually. It relies on the blender's repeated trials to create a cup of coffee with excellent flavor. Front Street's roasters went through repeated ratio tests before blending the currently offered Front Street Sunflower Warm Sun Blend, Front Street Specialty Blend, Front Street Commercial Blend, and the espresso moka pot coffee bean recommended by many baristas—Front Street Black Cocoa Blend. The difference among these blends lies in creating a balanced and high-quality blended flavor for different price points. Below, Front Street will introduce these four blended coffees one by one.

Front Street Specialty Espresso Blend Coffee Beans

For this blend, Front Street uses coffee beans from Brazil and Colombia. It tastes with a faint roasted grassy aroma, a light fragrance with slight bitterness, smooth and pleasant, with a refreshing aftertaste. This is because coffee beans from Colombia's Huila region carry a pleasant acidity, a mellow aroma, moderate acidity, rich sweetness, and are very intriguing; coffee beans from Brazil's Cerrado region have a comfortable bittersweet taste and are extremely smooth on the palate. The combination of the two is simply wonderful and can meet the daily output needs of coffee shops.

Front Street Commercial Espresso Blend Coffee Beans

For this blend, Front Street uses coffee beans from Brazil and Colombia, plus 10% Robusta coffee beans. The taste is classic; Front Street finds it has rich crema and mouthfeel, caramel sweetness, and also nutty, cocoa-like, and dark chocolate flavors, with balanced acidity and sweetness, a slight bittersweet note, and a lasting finish. This Front Street Commercial Blend, like the Front Street Specialty Blend, uses a ratio of Colombian and Brazilian beans; the difference is the addition of Robusta, which brings rich crema and makes the coffee fuller-bodied, suitable for daily shop needs.

Front Street Black Cocoa Basic Espresso Blend Coffee Beans

For this blend, Front Street uses coffee beans from Brazil and Yunnan. Front Street finds it has soft fruit acidity and caramel sweetness, as well as nutty and dark chocolate flavors, smooth and viscous, but the taste is on the lighter side. This is because Yunnan's natural conditions are very similar to Colombia's—high altitude and a large temperature difference between day and night. Its flavor is of the mellow-aroma type, with moderate acidity, rich and full-bodied taste, uniform beans, high oil content, and fruity notes, with quality and mouthfeel close to Colombian coffee. However, compared with Colombia it is still slightly lighter, while coffee beans from Brazil's Cerrado region have a comfortable bittersweet taste and are extremely smooth on the palate. Therefore, mixing these two kinds of beans also produces a good flavor. This espresso moka pot coffee bean recommended by many baristas—Front Street Black Cocoa Blend coffee beans—is very cost-effective, suitable for espresso beginners and small coffee shops, and also suitable for coffee shops and home users who prioritize cost and have average flavor requirements.

Pour-Over Use of Blended Coffee

Blended coffee is not only for espresso; it can also be used for pour-over. It is just that the flavor from pour-over and the output from an espresso machine will always differ somewhat, but Front Street believes that the different flavor from pour-over is also very interesting, so whether you choose pour-over or an espresso machine is fine—just go with the method you like.

Then Front Street will next share the pour-over data for friends who want to brew by hand themselves.

Front Street pour-over coffee parameters: Kono dripper, 15g dose, 90°C water temperature, 1:15 coffee-to-water ratio, grind size (80% passing through a No. 20 standard sieve, coarser than the grind size for espresso output)

For the brewing method, Front Street uses staged extraction: bloom with 30g of water for 30 seconds, pour in a small stream in circles until 125g for the stage break, and when the water level drops and is about to expose the coffee bed, continue pouring until 225g and stop. When the water level drops and is about to expose the coffee bed, remove the dripper. (Timing starts at the beginning of the bloom.) The extraction time is 2'00".

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