Wednesday, September 16 2026

The Density and Hardness of Coffee Beans: Hidden Factors That Affect Flavor

When choosing coffee, besides origin, processing method, and roast level, there is another rarely mentioned yet profoundly influential indicator: the density and hardness of the green beans. It hides behind roasting and flavor performance, yet it is a key to understanding why this bag of beans is more resistant to roasting and more resistant to extraction. Where do density and hardness come from? The density and hardness of green coffee beans mainly [more…]

Milk Coffee | Why is Dirty Coffee so popular? How to make a Dirty Coffee with distinct layers at home?

As is well known, the unique appeal of a Dirty comes from the layering of milk and coffee. Whether it's the visual effect of the espresso gradually "dirtying" the milk, or the sensory experience of contrasting hot and cold, sweet and bitter—like ice and fire—it all stems from the fact that the two never fully blend. So if we want to make [more…]

Moka Pot Coffee | Why does coffee brewed with a moka pot taste burnt and bitter? How can you avoid over-extraction in moka pot coffee?

Front Street Coffee has found that many friends are troubled by the problem of Moka pot coffee often being over-extracted. Every time Front Street Coffee shares a tweet related to the Moka pot, friends leave comments like: "How can I avoid over-extraction in Moka pot coffee?" or "Why is the extracted coffee so bitter?" Indeed, compared to its [more…]

Region Selection for Rich Crema Beans: Crema Performance of Mandheling, Brazil, and Blue Mountain

The crema performance of espresso differs noticeably across growing regions. Mandheling, Brazil, and Blue Mountain are three representative origins, each with its own crema characteristics, suited to drinkers with different taste preferences. Mandheling is the choice for crema thickness. The Mandheling region uses wet-hulling processing, during which more pectin layer remains on the surface of the beans, add [more…]

Coffee Brewing | What information is hidden in the coffee bed when making pour-over coffee? How can you judge the condition of single-origin pour-over beans from the coffee bed?

Yesterday a friend chatted with Front Street about a rather interesting phenomenon: he noticed that most people, when brewing coffee, even during the waiting intervals when they're not pouring water, still choose to fix their eyes intently on the changes in the dripper, as if trying to glean some information from the coffee bed. And you know what, there really is some truth [more…]

哥斯达黎加咖啡全景解读:产区风土、品种分级与风味特征概览

哥斯达黎加虽国土不大,却在精品咖啡版图中占据举足轻重的位置。本文从国家背景、咖啡历史、种植条件、品种选择、处理方式、分级体系到八大产区逐一梳理,带您系统了解这个中美洲咖啡强国的全貌。文章还介绍了以海拔和豆密度划分的SHB、GHB、MHB等级标准,解析塔拉苏与三水河两大明星产区的独特优势,以及前街咖啡推荐的相关产品信息,适合希望深入了解哥斯达黎加咖啡的爱好者阅读。 [more…]

Ethiopian Yirgacheffe Coffee Beans | What Flavor Profile Does Yirgacheffe Kochere Coffee Have?

When it comes to specialty coffee beans, many friends always think of Yirgacheffe first. This is not only because Yirgacheffe has extremely high recognition in the coffee world, but also because the coffee produced in Yirgacheffe has outstanding flavor performance, is highly recognizable, and is unforgettable. However, brewing Yirgacheffe coffee well is not an [more…]

How to Make a Delicious Dirty: The Trio of Bean Selection, Milk, and Temperature

Dirty (dirty coffee) has been a perennial staple on café menus in recent years: hot espresso slowly sinks into iced milk, without stirring, and you drink it from top to bottom, so that in a single sip you get the alternation of hot and cold and the layering of milk and coffee. It looks simple, but between a delicious one and a mediocre one lies the gap of bean selection and details. The principle of Dirty: why [more…]

Espresso Extraction Parameters | What is the golden extraction ratio for espresso? What are the specific steps for extracting espresso?

Front Street Coffee has always emphasized that the extraction parameters for pour-over coffee have a significant impact on the cup, and for espresso the impact is even greater. You should know that factors such as the concentration and extraction time of espresso are more demanding than those of pour-over coffee, and the slightest [more…]

Ethiopia Coffee | What is Yirgacheffe flavor? How can coffee beginners brew Ethiopian washed Yirgacheffe coffee beans well?

When it comes to specialty coffee beans, many friends always think of Yirgacheffe right away. This is not only because Yirgacheffe has extremely high recognition in the coffee world, but also because the coffee produced in Yirgacheffe has outstanding flavor performance, is highly recognizable, and is unforgettable once tasted. However, brewing Yirgacheffe coffee well is not a [more…]

Coffee Latte Art | Can You Make Latte Art with Americano Black Coffee? How to Make Coffee Latte Art with Hot Americano? What Does Americano Coffee with Latte Art Taste Like?

Customer: "Boss, I'd like a coffee with some nice latte art!" Front Street: Okay, would you like a latte, a flat white, or a cappuccino? Customer: "An americano!" Front Street: ... Latte art, to be precise, should be called "Latte Art," which translates to "latte art" (milk art). [more…]

Arabica Espresso Origin Selection: A Comparison Between Ethiopian SOE and Central & South American SOE

When making espresso SOE with Arabica beans, the choice of origin directly determines the flavor direction of the espresso. Ethiopian SOE and Central-South American SOE are two entirely different paths, each with its own charm, suited to drinkers with different taste preferences. Ethiopian SOE takes the route of intense floral and fruity aromas. Huakui sun-dried beans [more…]

Moka Pot Coffee Bean Recommendations | Is Light Roast Coffee Suitable for Brewing in a Moka Pot? Introduction to Moka Pot Coffee Grind Size and Dosage Parameters

After drinking too much coffee of a certain flavor, we always want to try something new. For example, some friends who use moka pots, although they usually buy deeply roasted coffee beans full of caramel aroma to make moka pot coffee, occasionally want to switch to light-roasted beans to experience the floral and fruity notes of light-roasted coffee. However, due to online [more…]

Moka Pot Coffee | Why Do Light Roast Coffee Beans Often Fail in a Moka Pot? What Should You Watch Out for When Making Moka Pot Coffee with Light Roast Beans?

After drinking too much coffee of a certain flavor, we always want to switch things up and try something new. For example, some friends who use moka pots, even though they usually buy deeply roasted coffee beans full of caramelized aroma to make moka pot coffee, occasionally want to switch to light roast beans and experience the floral and fruity notes of light roast coffee. However, due to the [more…]

Detailed Explanation of Technical Requirements, Material Selection, and Common Forms of Coffee Packaging: From Oxidation Prevention to Vacuum Gas-Flush Packaging

As a globally popular beverage, coffee packaging must not only prevent the escape of aroma and moisture absorption, but also address oxidation, odor adsorption, and quality deterioration caused by high temperatures. This article focuses on the packaging needs of regular coffee and instant coffee, systematically outlining key technical requirements such as oxidation prevention, moisture resistance, gas barrier properties, and high-temperature protection, and introduces current mainstream vacuum packaging and gas-flushing packaging processes. In terms of material selection, bags, bag-in-box, metal cans, and glass jars each have corresponding composite structure solutions, while instant coffee mostly uses paper/aluminum foil/polyethylene flexible packaging. The article concludes with a summary of common packaging forms such as bags, cans, and boxes, suitable for reference by coffee enthusiasts and industry professionals. [more…]

Kenya Coffee Beans | Origin, Grading, and Flavor Characteristics of Kenyan Coffee Beans: An Introduction to Water Temperature and Grind Size Parameters for Kenyan Pour-Over Black Coffee

For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). The bright fruit acidity and vivid, full, outstanding mouthfeel of Kenyan coffee make it unforgettable to anyone who has tried it. Front Street Coffee has cupped quite a few coffee beans from different producing regions in Kenya. If we were to say that high [more…]

Coffee Preparation | Why don't coffee shops serve hot dirty coffee? How to make hot Dirty coffee at home? How does the taste of hot dirty differ from regular dirty?

Customer: "Boss, I'll have a Dirty!" Front Street: "Coming right up!" Customer: "Make it hot!" Front Street: "..., sorry, we don't have that. Dirty isn't made hot..." In the daily life of a coffee shop, this kind of exchange is a common occurrence. Because the ingredients for making a Dirty [more…]

Coffee Roasting | How Is the Roast Level of Coffee Beans Determined? What's the Difference Between Espresso Beans and Pour-Over Beans? Which Tastes Better for Huakui Coffee: Medium Roast or Light Roast?

Many friends who want to learn about coffee bean roasting are curious about one question: how to determine the roasting degree of coffee beans. Should a coffee bean be dark roasted or light roasted, and then how light should light be, and how dark should dark be? On what basis does Front Street Coffee determine the roasting of all these coffee beans it sells? [more…]

Yirgacheffe's Value-for-Money Options: The Price Gap Between Washed and Natural

A high-value-for-money choice in Yirgacheffe: the logic is to choose the right processing method and grade. The washed Gedeb Dingding is affordably priced with a complete citrus-and-floral framework—it's the standard answer for Yirgacheffe flavor. Although Panama Emerald Estate Red Label is a tier more expensive, the density of its jasmine and bergamot aromatics justifies the price difference—the two represent value for money [more…]