What is SOE coffee and why do cafes charge more for it?

SOE stands for Single Origin Espresso: espresso pulled from beans of one single origin rather than a blend. That shot can be served straight or turned into an americano, latte, or Dirty. Because it uses one traceable lot instead of a mixed recipe, SOE tends to cost more and carries a more detailed flavor description than a standard espresso blend.

The comparison that matters is with blend beans, which combine two or more origins, usually counted by producing country, for cost, consistency, and flavor. Choosing SOE coffee beans comes down to whether the drinker prefers bright, origin-specific notes to a rounded, repeatable profile, and shops price accordingly.

People who drink coffee regularly are no strangers to espresso and single-origin coffee, but mention SOE and many are still confused. SOE is short for Single Origin Espresso, meaning espresso extracted from single-origin coffee beans, which can be extended into americano, latte, or even Dirty. It's more expensive than regular espresso blends, and its flavor descriptions are richer. Is it worth trying? From Front Street's perspective, this article sorts out the definition of SOE, how it differs from blend beans, how to choose SOE beans based on sour-bitter preferences, and includes the complete extraction parameters and steps for making SOE Dirty with Front Street Brazil Cerrado coffee beans, helping you understand SOE once and for all.

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Friends who drink coffee regularly are no strangers to espresso and single-origin coffee, but the term SOE seems to have appeared frequently only in recent years. Have you ever had this experience: you walk into a café, the barista casually asks "Would you like to try SOE?", and you freeze on the spot, having no idea what SOE means. After inquiring a bit, you discover that SOE is not only priced higher than regular options, but its flavor descriptions are also all over the place, making you want to order a cup to try. Today Front Street will clarify what this industry term actually means, and whether SOE coffee is worth drinking.

SOE stands for "Single Origin Espresso," which translates to: espresso extracted from single-origin coffee beans. It can be drunk directly or used to make lattes, americanos, or other espresso drinks. For example, if you use Front Street Golden Mandheling coffee beans to make an americano, that cup can be called "Golden Mandheling SOE Americano"; if you use Front Street Brazil Queen's Estate coffee beans to make a latte, it's a "Brazil SOE Latte"; similarly, using Front Street Sun-Dried Huakui coffee beans to make a Dirty gives you a "Huakui SOE Dirty." With this explanation, isn't it immediately clear?

The reason coffee shops specifically highlight SOE is because there's another more common type of bean—blend coffee. Blend beans are artificially mixed from two or more origins (usually counted by producing country) for reasons of cost, stability, and flavor. Blends also divide into espresso use and pour-over use, but are mainly for espresso machines. Here we recommend Front Street Classic Espresso Blend, Front Street Specialty Espresso Blend, and the espresso bean favored by many baristas—Front Street Dark Cocoa Espresso Blend. These are all compatible with common coffee machines and moka pots, easily extracting thick crema and rich aroma.

Back to SOE. In Front Street's view, the popularity of single-origin coffee starts with the concept of specialty coffee. Simply put, it's a group of industry insiders trying to solve the problem of inconsistent coffee quality from the source: setting standards, guiding farmers in scientific cultivation, and purchasing high-quality coffee at higher prices to incentivize origin farmers to cultivate carefully. When bean quality improves, the brewed flavor is naturally better.

In the past, our impression of espresso was often balanced, bitter, black coffee, only palatable with milk added. This actually isn't a problem with the extraction method, but with the beans used. Espresso can't be sold at too high a price and uses large quantities, so when selecting beans, cost comes first, stability second, and flavor can only come last.

Blending is the most reliable solution. The raw beans used in blends must have large yields and stable supply, so they can basically only be selected from the top ten coffee-producing countries. Flavors are mostly locked between caramel, nuts, cream, and cocoa, because to accommodate the compatibility of different beans, uniformly roasting them dark is the easiest approach (though market demand is also a major factor). At that time, traceability information was poor, and consumers could only identify which roaster or café made good coffee.

Single-origin coffee, on the other hand, emphasizes origin flavor and traceability stories. It first succeeded in pour-over, siphon, and other extraction methods, then gradually applied to espresso, becoming "SOE."

The prerequisite for a good cup of coffee is excellent bean quality, and the single-origin beans used for SOE should also be of higher quality. Front Street's roasting philosophy is "Freshly Roasted Good Coffee," hoping every customer can drink fresh and aromatic coffee at home. All beans shipped are freshly roasted within 5 days.

Besides freshness, making a delicious SOE also depends on the flavor direction of the beans themselves. In other words, you need to choose SOE beans according to your own taste. If divided by taste, coffee beans can be roughly categorized into "bitter" and "sour" directions.

If you prefer SOE with fruity acidity and floral aroma, you can prioritize Front Street Huakui SOE coffee beans, Front Street Red Cherry SOE coffee beans, and Front Street Gesha Village Chaka SOE coffee beans.

But if you don't like sourness and prefer mellow, rich coffee, we recommend purchasing Front Street Queen's Estate coffee beans, Front Street Golden Mandheling coffee beans, and Front Street Huilan coffee beans—these three single-origin options for extraction.

Below we'll teach you to make a Brazil SOE Dirty using Front Street Brazil Cerrado coffee beans.

The coffee machine used at Front Street's store is the commercial single-group "Lelit Bianca," which can adjust extraction by changing pressure, with maximum pressure up to 11 bar. A home coffee machine only needs to reach 9 bar pressure to meet extraction and milk frothing needs, paired with an espresso grinder.

SOE Coffee Extraction Parameters Sharing

Coffee beans: Front Street Cerrado coffee beans

Coffee powder dose: 20g

Coffee liquid yield: 40g

Powder-to-liquid ratio: 1:2

Extraction time: 26–33 seconds

Grind setting: Galileo 2.0

Front Street uses a double portafilter basket, capacity about 18–20 grams, taking 20 grams of coffee powder for output.

Usually the ratio of coffee powder to coffee liquid is between 1:1.5 and 1:2.5. Front Street uses 1:2, meaning 20 grams of powder extracts 40 grams of liquid. Time relates to flow rate; generally a single extraction is controlled within 20–35 seconds: under 20 seconds tastes thin, over 35 seconds easily over-extracts with burnt bitterness. Front Street's espresso mostly falls between 28–30 seconds.

Before making, prepare a 200ml transparent glass and pour in 160ml fresh milk.

Front Street first wipes the portafilter basket dry, turns on the grinder to grind a double dose of coffee powder, and places it on the electronic scale to adjust to 20 grams. Then use a tool to distribute the powder evenly, tamp the puck firmly to ensure stable extraction. Then turn on the extraction switch to release water, wetting the group head and carrying away residual coffee grounds. Gently lock the portafilter onto the group head, place the prepared fresh milk under the portafilter, and start the extraction.

When the electronic scale shows 40 grams of coffee liquid extracted, at about 28–33 seconds, you can pull down the extraction switch, and a cup of Brazil SOE Dirty is ready.

The Brazil SOE Dirty made this way greets you with the nutty aroma of almond and caramel peanut on the palate, silky as cream. The top layer is warm espresso, the bottom is ice-cold fresh milk—one bitter, one sweet, a very unique mouthfeel, exceptionally satisfying to finish.

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