Some people believe that oils are an indispensable part of coffee flavor, but they also express concern about the health risks posed by these coffee oils. Today, Front Street Coffee is here to give everyone a proper explanation of what the crema in espresso actually is, and whether it has any impact on our health. Is "coffee beans with more oil" really good [more…]

Experienced folks know that many factors affect the taste of cold brew coffee. Among them, the most influential are the choice of coffee beans, grind size, coffee-to-water ratio, and steeping time; next are some small brewing techniques, such as thorough stirring, ensuring the container is clean, water quality, and so on. These will more or less change the co [more…]

Just a few days ago, a customer came to Front Street Coffee's store in Dongshankou, Guangzhou to drink espresso, and before leaving said, "I really love your espresso, the crema is the richest I've ever seen!" It happened that a friend also asked Front Street about that espresso. [more…]

If you often buy beans and brew them at home, you've probably noticed that some coffee beans start to show oil on their surface after sitting for a while. Other beans, no matter how long they're stored, still look dry on the surface. This leads to a rather interesting phenomenon: some people believe that coffee beans [more…]

Coffee is becoming more and more popular, and there are all kinds of brewing methods. However, when you're busy, you might feel you don't have time for a pour-over, and even an espresso seems to take too long. In that case, using a lazy person's pot to make a cup of coffee might be a pretty good choice! French press coffee and pour-over coffee [more…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). Coffee is becoming more and more popular, and there are all kinds of brewing methods. However, when you're busy, you might feel you don't have time for a pour-over, and if you want an espresso, it seems you don't have much time either. So in this [more…]

The charm of dark roast coffee lies in its steady, full-bodied richness. Many people use "heavy" and "smooth" to describe it—this mouthfeel is not a one-dimensional bitterness, but a balance woven from caramel sweetness, bitterness, and an oily richness. Once you understand where the richness of dark roast beans comes from, drinking it becomes even more enjoyable. The foundation of richness [more…]

More and more people are brewing coffee with a moka pot, but many get stuck at the very first step: what beans should they actually use? The answer is actually quite clear—the moka pot and dark-roasted or medium-dark-roasted, full-bodied beans are a match made in heaven. Why is that? The moka pot extracts coffee through steam pressure, producing a brew with high concentration and a heavy mouthfeel, while dark-roasted beans [more…]

For professional coffee knowledge exchange and more coffee bean information, please follow FrontStreet Coffee. How to choose coffee filter paper? How to use coffee filter paper? What types of coffee filter paper are there? Many enthusiasts buy their own coffee beans, use a grinder, and purchase equipment to brew coffee, all [more…]

A while back, when Front Street Coffee was tinkering with a moka pot in the shop, a friend saw that the moka pot coffee Front Street brewed had a very thick layer of crema, so they asked Front Street for the secret to brewing such thick crema, because the moka pot coffee they brewed at home had very thin crema. The same situation often occurs with espresso machine users as well. [more…]

What are espresso beans? Espresso beans are geared toward use with espresso machines, with the goal of making delicious espresso. For the sake of consistency, beans from more than two origins are usually blended, so that every extraction can be controlled, thereby balancing the flavors of Americano and latte. There are many coffee beans on the market. [more…]

The term "Espresso" originates from the Italian word "Express," meaning "fast." This also indicates that espresso is a product that can be produced quickly. To make espresso, a dedicated espresso machine is required. The birth of espresso [more…]

A deep understanding of the essence of crema will be of great help to baristas in making a delicious espresso. Today, the instructor of the Chongqing Barista Coffee Training Course will give you a detailed analysis of crema to help you understand espresso and improve your coffee-making skills. In searching for a cup that is not bitter and has excellent flavor, a rich [more…]

When evaluating whether a cup of coffee is good, Front Street believes that in addition to its flavor evaluation, we should also pay attention to its mouthfeel. Flavor mainly "serves" our sense of taste and smell, while mouthfeel "serves" our sense of touch. This texture is actually what we call the coffee's Body. When evaluating a cup of coffee's Body [more…]

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…]

After the concept of "specialty coffee" emerged, the unique flavors of various regions have become increasingly familiar to coffee connoisseurs, and SOE has also become increasingly popular in the coffee market. So how do you choose the right SOE coffee beans? SOE SOE stands for "Single Origin Espresso" [more…]

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…]

Coffee brewed in a Bialetti moka pot shows a thin sheen of oil on the surface, and when you sip it you can get a thickness close to espresso, but it will not form the kind of stable crema that an espresso machine produces. If you want this oily mouthfeel to be more pronounced, choosing the right beans is more effective than simply increasing the heat, as the roast level directly affects the coffee's oil content and expansion. [more…]

Latte art is a romantic expression of a barista's skill, with white milk foam blooming into heart or leaf patterns on the surface of dark brown espresso. Latte art is divided into two types: free-pour latte art and etched latte art created after pouring. The wonder of the former lies in the pattern forming simultaneously with the pour, while the latter offers a wider range of designs because the stable foam allows for leisurely drawing. From a physics perspective, the core of latte art lies in surfactants—molecules that possess both hydrophilic and hydrophobic groups, capable of stabilizing the interface between air and liquid to form lasting foam. Milk proteins and coffee lipids act together as surfactants, enabling the two micron-scale foams to remain clearly separated for a long time after mixing, thereby allowing the pattern to persist. This article will guide you from the basic principles of surfactants to understand espresso's crema, the formation of hot milk foam, and why foam mixing rather than liquid mixing is the key to successful latte art, while also revealing the widespread applications of surfactants in daily life and industry. [more…]

People's love for coffee nowadays goes beyond pour-over; more and more, they're pursuing making espresso at home. You'll notice that many friends go to a café and directly order a latte or cappuccino and other espresso drinks, but the friends who understand coffee better might order a single-origin specialty coffee. [more…]