Thursday, September 17 2026

How to Identify Authentic Blue Mountain No. 1 Coffee Beans? A Comprehensive Analysis from Barrel Certificates to Bean Appearance and Flavor

Blue Mountain coffee is produced in the Blue Mountains of Jamaica at elevations between 910 and 1,700 meters. The variety is Typica, and it is known for its balanced acidity, sweetness, and bitterness, full and solid body, long-lasting sweet aftertaste, and absence of burnt bitterness. Because annual production is limited, authentic Blue Mountain No. 1 coffee beans in China usually sell for 150 to 400 yuan (100 to 200 grams), while products labeled "Blue Mountain flavor" or "Blue Mountain blend" are not true Blue Mountain coffee. This article systematically introduces the methods baristas use to identify authentic Blue Mountain No. 1 from perspectives such as the wooden barrel and certificate, bean size and uniformity, appearance characteristics, and raw bean color. It also compares the flavor performance of washed and natural processing methods and shares Front Street Coffee's brewing parameters and techniques to help enthusiasts build a clear identification framework. [more…]

Espresso Grinding | How Fine Should Espresso Blend Coffee Beans Be Ground for Making Espresso? How to Determine the Grind Size for Espresso Grounds?

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). Quite a few friends have reported that after buying espresso blend coffee beans and grinding them at home, they were unable to extract any crema during extraction, and the espresso that came out was overall tasteless, with a very watery feel. When this problem occurs, [more…]

Espresso Grind Size | How to Adjust the Grind Setting for Espresso Beans? Recommended Espresso Blend Roasting Brands for Beginners

Many friends who have just opened a café or bought an espresso machine for home find that when they take the espresso beans they bought and follow the parameters provided by the seller, the espresso they make has no crema, or is very weak, or is very bitter. When this happens, the only thing we can change is the grind of the coffee beans. [more…]

A Detailed Explanation of Colombian Green Coffee Bean Grading: The Meaning of Excelso and Supremo, and Front Street Brand Recommendations

Colombian coffee occupies an important place in the world of specialty coffee, and its green bean grading system is based primarily on defect rates and bean screen size. When buying Colombian coffee, what exactly do the words "Supremo" and "Excelso" commonly seen on burlap sacks mean? This article will systematically sort out the grading rules for Colombian green coffee beans from multiple angles, including export standards, defect scoring, and screen-size classification, and explain the specific differences among the three grades UGQ, EP, and Supremo. At the same time, the article will also introduce common Colombian coffee bean brands on the market, including product information recommended by Front Street Coffee, to help coffee lovers more clearly understand the grade and quality of the bag of beans in their hands. [more…]

Intro to Pour-Over Coffee | How Can Coffee Beginners Make Specialty Pour-Over Coffee at Home? What Coffee Equipment Is Needed to Make Pour-Over Black Coffee?

Why is pour-over coffee so fascinating? What is the key to a good cup of pour-over coffee? In the following article, FrontStreet Coffee will introduce the basics of pour-over coffee, so you can brew great coffee at home too! What is pour-over coffee? Pour-over coffee, as the name suggests, [more…]

Mandheling Pour-Over Coffee Parameters | What Is Golden Mandheling? What Are the Flavor and Mouthfeel Characteristics of Golden Mandheling Coffee Beans? How Do You Identify Authentic PWN Golden Mandheling?

Front Street Golden Mandheling coffee beans are both familiar and unfamiliar to many coffee lovers. They are familiar because you often hear praise for them among coffee enthusiasts. They are unfamiliar because there are too many counterfeit Golden Mandheling coffee beans on the market, and drinking authentic Golden Mandheling coffee is a difficult thing. What is Golden Mandheling coffee? [more…]

Pour-over Coffee Basics | What Is the Standard Coffee Ground Size for Pour-over? How Do You Determine the Grind Size for Single-Origin Pour-over Beans?

Beginners in pour-over coffee often come to FrontStreet Coffee and ask how to determine the grind size for each coffee bean, what effect grind size has on coffee extraction, how to tell the coarseness of coffee grounds at home, and so on. In this article, Front Street will talk about [more…]

Selected Indonesian Mandheling | Is Golden Mandheling the best-quality Mandheling pour-over bean? A beginner-friendly medium-dark roast single-origin coffee bean recommendation for Moka pot

Mandheling coffee beans can be said to be the signature of Indonesian coffee beans, and in many cases the word Mandheling represents premium Indonesian coffee beans. Many coffees also regard Mandheling as the representative of Indonesian coffee, or even Asian coffee, with a flavor profile of rich chocolate, nuts, herbs, and spices in a thick, syrupy tone. Mandheling coffee [more…]

Freezing Coffee Beans for Storage | Should Coffee Beans Be Stored in the Refrigerator? Why Freeze Coffee Beans? How Should Coffee Beginners Store Coffee Beans Daily?

"Front Street Coffee recently noticed a topic in our chat group." How do you all store your coffee beans after buying them? In the fridge! I've seen many coffee experts keep their beans in the fridge. But won't the beans get damp in the fridge? The fridge is dry! (So Front Street Coffee interviewed various coffee beans 🎤) [more…]

A Practical Guide to Using a Manual Coffee Grinder: A Full Breakdown of Burr Structure, Grind Setting Adjustment, and Daily Maintenance

Manual coffee grinders are a go-to piece of gear for many pour-over enthusiasts, serving both everyday home use and, when paired with a French press, AeroPress, or moka pot, forming a portable outdoor kit. Grinders from different brands and models vary noticeably in price and the quality of the ground coffee they produce. From the perspective of Front Street, this article systematically breaks down the core components of a manual grinder—the burr, the adjustment dial, the handle, the bean hopper, and the grounds bin—and explains how to adjust the grind setting according to your brewing method, how to turn the handle correctly, and the key points of cleaning and regular maintenance, helping you use your manual grinder more smoothly and making every cup's extraction more consistent. [more…]

Japanese-Style Iced Pour-Over Tutorial | For iced pour-over coffee, should you add ice first or ice last? What is the ratio of coffee grounds, water, and ice for iced coffee brewing?

For more specialty coffee knowledge, please follow our WeChat public account: FrontStreet Coffee. A while ago, a customer asked, "How do you brew your iced pour-over coffee? Is there a difference between adding ice first and adding ice later?" In this issue, Front Street will conduct an experiment to compare them, hoping to [more…]

Pour-Over Parameter Plan | What are the requirements for coffee grind size, coffee-to-water ratio, water temperature, and brewing technique when making pour-over coffee with Indonesian PWN Golden Mandheling coffee beans?

When it comes to Indonesian Mandheling, the most famous and popular is undoubtedly the Golden Mandheling coffee beans produced by the Indonesian PWN company. As a result, many people come to try Golden Mandheling coffee and decide to buy the beans to brew at home, but they can never reproduce the taste they had in the coffee shop. Why is that? [more…]

Coffee Bean Grinding | Which Coffee Grind Is Finest on a Grinder Scale from 1 to 10? How Do You Adjust the Grind Size for Pour-Over Coffee? Reference Guide to Coffee Grind Size Standards

Which grind size from 1 to 10 is the finest for coffee beans? In most cases, the smaller the number, the finer the grounds. The grind size of coffee beans plays an important role in extracting a cup of coffee. For example, if the coffee grounds are too fine and used for pour-over coffee, it will result in over-extraction, while if they are too coarse, it will result in under-extraction. Secondly, factors such as the beans from each producing region [more…]

Yirgacheffe Coffee Grading | Is There a Big Difference Between G1 and G2 Yirgacheffe Single-Origin Beans? Must-Buy Light Roast Pour-Over Coffee Beans for Coffee Lovers

We know that coffee bean grading methods are usually based on the actual conditions of the growing country. Some are graded by bean size, such as Kenyan coffee; some by altitude, such as Blue Mountain coffee; and some by defect rate, such as Ethiopian coffee. As the gene pool of Arabica, Ethiopia has a wide variety of coffee varieties. [more…]

Flavor Experiment with Low-Temperature Slow Extraction: Differences in Cold Brew Across Different Processing Methods

The most fascinating thing about cold brew is that it works like a slow-motion projector: the flavor release that hot extraction completes in a few dozen seconds is stretched out over more than ten hours, and the character of every flavor compound is amplified and put on display. Running a set of cold brew comparison experiments with beans processed in different ways lets you directly see how each processing method truly expresses itself at low temperatures. The experiment is set [more…]

Home-roasted coffee beans | What are the taste differences between coffee beans of different roast levels? How to roast coffee beans at home? How are green coffee beans turned into coffee?

As coffee has become part of everyone's daily life, it's not hard to learn a lot of new and comprehensive knowledge about coffee from video apps. Besides researching how to brew and how to taste the flavors, many friends have started to take a strong interest in coffee bean roasting. But many of them act on a whim and end up putting their coffee [more…]

Illustrated Guide to Home-Roasted Coffee Beans | What Is the Relationship Between Coffee Roast Level and Coffee Flavor and Mouthfeel? What Tools Are Needed to Roast Green Coffee Beans at Home?

As coffee has become part of everyone's daily life, it's not hard to learn a lot of new and comprehensive knowledge about coffee from video apps. Besides researching how to brew and how to taste the flavors, many friends have started to take a strong interest in coffee bean roasting. But many of them act on a momentary impulse, and [more…]