Thursday, September 17 2026

Analysis of Coffee Variety Structure in Yunnan: Distribution and Characteristics of Typica, Bourbon, and Catimor

Yunnan, as China's core coffee-producing region, has always been a topic of interest among coffee enthusiasts when it comes to the composition of its planted varieties. Currently, Yunnan coffee is not a single variety, but is mainly composed of three major categories: Typica, Bourbon, and Catimor. Among them, Catimor has become the main force due to its disease resistance and high yield, while Typica and Bourbon remain in localized areas such as Baoshan. Although these three varieties all belong to the Arabica species, they differ significantly in flavor, yield, and maintenance difficulty. This article will provide a detailed review of their origins, characteristics, and production area distribution, and explore the genetic connections between Yunnan small-bean coffee and famous varieties such as Blue Mountain and Kona. Front Street Coffee will also combine the current situation of the production area to interpret for you the flavor logic behind the varieties. [more…]

Espresso Full Analysis: Extraction Principles, Preparation Process, and Key Operational Points

Espresso is a small amount of concentrated, pure black coffee extracted by forcing hot water under high-pressure steam rapidly through a puck of coffee grounds, with a golden layer of crema on its surface. Although it rarely appears alone on café menus, it is the base of common drinks such as Americano, latte, and cappuccino, and can be called the soul of a coffee shop. Starting from the definition and characteristics of espresso, this article will sort out its historical evolution and ideas for choosing blend beans, and explain in detail the complete steps for making espresso at Front Street Coffee stores, including dose, liquid yield, time control, and operational details such as distribution and tamping. Finally, it summarizes the key variables affecting extraction flavor and daily cleaning points, helping coffee enthusiasts systematically understand the logic behind a high-quality cup of espresso. [more…]

Coffee Flavor Tasting | How Can Coffee Novices Build Their Coffee Sensory System? How Should Coffee Beginners Train Their Coffee Senses Daily?

Coffee today is no longer just a "functional drink" used to wake you up; it is also a medium that holds a wealth of experiences. Thanks to the spread of the concept of specialty coffee, which has brought about a leap in coffee quality, we can now taste the terroir of different places through a single small cup of coffee. For example, [more…]

Coffee Sensory Tasting | How Can Coffee Novices Learn to Describe Coffee Flavors from Different Angles? How to Properly Develop Coffee Flavor Tasting Skills?

"This coffee has a rich fruity profile, with notes of citrus, lemon, oolong tea, and jasmine!!!" For someone who has just been introduced to specialty coffee, this might sound unbelievable—how can you taste so many flavors in one cup of coffee! (Are they just making it up?) In this installment of Barista Growth Diary, we'll share a little [more…]

How to drink Espresso | What are the differences between single and double espresso? What is the coffee concentration of espresso? Where do the taste and flavor of espresso come from?

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). Espresso is the soul of Italian coffee, commonly known as espresso; as the name suggests, it comes from Italy, with high concentration and a strong taste. A good cup of espresso is like a good base liquor, [more…]

Espresso Flavor Characteristics | How to Properly Drink Espresso? How Much Caffeine Is in Espresso? Recommended Espresso Coffee Bean Brands

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). Espresso is the soul of Italian coffee, commonly called Italian-style espresso. As the name suggests, it comes from Italy, with high concentration and a strong taste. A good espresso is like a good base liquor, [more…]

Coffee Flavor Map | How Can Coffee Beginners Train and Build Their Coffee Sensory System? Are Aroma Kits Helpful for Coffee Flavor Tasting?

As coffee has gradually become more widely recognized, specialty coffee promotion in cafés has emerged in response, and we too have begun tracing things back to their roots—we have come to treat coffee as culture. The rise of specialty pour-over coffee undoubtedly reflects the demands of the market and the needs that cafés have identified. Café counters have also begun to lower their "status," no longer featuring the early design of a bar raised a foot high. [more…]

Caffè Americano | Is iced Americano less acidic than hot Americano? Is there a big difference in taste and mouthfeel between iced and hot Americano?

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). Every region has its own way of drinking coffee, and because some regions' coffee-drinking methods are quite representative, a local culture has emerged, just like Turkish coffee or Italian coffee. And speaking of [more…]

Pour Over Coffee Tasting | Can Cold Pour Over Coffee Be Reheated? Will the Coffee Flavor Change? What to Pay Attention to When Reheating Pour Over Coffee

Good coffee should be drunk while it's hot, as that allows you to better appreciate its rich flavors and mouthfeel—this is a saying that Front Street Coffee often has on the tip of its tongue. Although Front Street Coffee still hasn't been able to completely ditch short sleeves even now, as autumn and winter draw nearer, in the chilly indoor space, a freshly brewed hot coffee has only been drunk for a short while before, in the blink of an eye, [more…]

Pour-over black coffee drinking method | What is the best temperature for tasting coffee? Is there a big difference in coffee flavor at different temperatures? Can pour-over coffee be reheated after it cools down?

The saying "coffee should be drunk while it's hot" is something people often keep on their lips, and not without reason! Front Street Coffee remembers a coffee friend describing coffee after it had gone cold like this: "After one sip my head hurt so much, that bitter/sour + woody taste lingered in my mouth and wouldn't go away, and it made me withdraw for a long time~" Hot coffee left to cool [more…]

The Ideal Drinking Temperature for Coffee | Why Should Black Coffee Be Drunk Hot? How Does Temperature Affect Coffee Flavor? Can Espresso and Pour-Over Coffee Be Reheated?

For more specialty coffee knowledge, please follow our WeChat official account: FrontStreet Coffee The temperature at which coffee enters the mouth is crucial for taste perception. I believe everyone knows that when tasting coffee, it needs to be tasted at high, medium, and low temperatures. What a cup of coffee expresses at different temperatures [more…]

Panama Geisha | How is the quality of Hacienda La Esmeralda Green Tip Geisha coffee beans? What are the flavor characteristics of Panama BOP champion Geisha?

Every year, when the green coffee bean competition season arrives, the coffee community starts to get excited. Rubbing their hands in anticipation, they wait for the latest results, then immediately look for opportunities to taste the beans on the list. Besides classic regions like Ethiopia and Brazil, a new rising star region has emerged in recent years. Because of Panama's Geisha [more…]

Coffee Flavor | Why Do Some Coffees Taste Like "Soy Sauce"? What Factors Affect Coffee Flavor? How to Avoid a "Soy Sauce" Taste in Coffee?

“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…]

Espresso Coffee Tasting | What's the Etiquette for Drinking Espresso? What Techniques Are There for Tasting Espresso?

On various social platforms, we often come across scenes like this: a coffee enthusiast tilts their head back and downs a cup of espresso in one gulp, then after a brief frown, reveals an expression of intoxication as if they have tasted the most exquisite delicacy in the world. Many friends are infected by the enthusiast's emotions in the video, so after going to a café they will [more…]

Espresso Coffee Powder-to-Water Ratio | How Many Milliliters Is 1 Shot of Espresso? What Is the Correct Way to Drink Espresso? Introduction to Espresso Extraction Recipes

The standard espresso ratio is 1:2—a single shot uses 9g of grounds to yield 18g of liquid, and a double shot uses 18g of grounds to yield 36g of liquid. When actually pulling a shot, fine-tune based on this brew ratio and the taste. The grind size for espresso is also adjusted by referencing this extraction time: if it runs fast, grind finer; if it runs slow, grind coarser, until the extraction time matches. [more…]

Pour-Over Coffee | For coffee that has cooled down, is it better to reheat it or add ice? Why does coffee's taste change so much from hot to cold?

We all know that brewed coffee will naturally cool down over time, but beyond that, its flavor also undergoes irreversible changes during this process. For example, the originally rich and fragrant aroma has clearly dissipated, dark-roasted coffee becomes less smooth, medium-light roasted coffee highlights its sour and astringent notes even more, and may even develop an unpleasant [more…]

Coffee Brewing Tutorial | What Is Puck Management? Does the Coffee Puck Affect the Taste of Pour-Over Coffee? How to Master Puck Management to Make Coffee Taste Better?

We often hear experienced coffee enthusiasts or bloggers say something like this: "Master your puck bed management, and your pour-over coffee will taste better!" Some friends find this quite puzzling! Since they've just started out, they haven't even had the chance to figure out what exactly a puck bed is, let alone manage it. [more…]

Espresso Coffee Beans | How to Choose Coffee Beans for Making Espresso? What Are the Espresso Bean Price, Extraction Time, Coffee Grounds Dose, and Ratio Parameters?

Each espresso extraction has different restrictions on the amount of coffee used depending on the size of the portafilter basket. Front Street Coffee, when making a single shot of espresso (1 shot), uses 10-11g of coffee grounds to extract 20-25g of espresso liquid. [more…]