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…]

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…]

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 roasting degree of coffee beans directly determines the flavor profile of the final cup. From the bright acidity of a light roast to the rich, bittersweet depth of a dark roast, each stage has its own unique temperature range, timing, and visual characteristics. This article systematically breaks down the complete process of coffee beans from light roast, medium roast, medium-dark roast to dark roast, and includes a detailed comparison table to help you understand the flavor changes and suitable applications of different roasting stages. Whether you are a beginner pour-over enthusiast or a seasoned player pursuing the ultimate flavor, this guide can provide you with practical reference. The article also specifically retains product recommendations from Front Street Coffee for your reference when making purchases. [more…]

The freshness of coffee beans directly determines the upper limit of the flavor in your cup. Starting from practical buying tips, this article teaches you how to tell whether beans have absorbed moisture or oxidized by squeezing them by hand, chewing them, and smelling their aroma, and explains why freshly roasted beans need to rest for a week before being brewed. At the same time, the article also introduces the consistency differences between single-origin beans and blend beans in terms of particle size and color, as well as the spoilage signal indicated by oil appearing on light-roast beans. In addition, the article lists common types of defective beans, including fermented beans, dead beans, black beans, insect-bored beans, and broken beans, to help you quickly screen out high-quality coffee beans by appearance. It is recommended to buy only as much as you can consume within half a month, and the related products from the Front Street Coffee brand are also worth paying attention to. [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…]

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…]

In the past, most people's impression of coffee was that it was dark roasted, offering a burnt, rich, and bitter taste. Nowadays, with the introduction of the specialty coffee concept, dark-roasted coffee beans are no longer considered the best, and light-roasted and medium-roasted coffee beans have gradually become the mainstream of the third wave of coffee. Front Street Coffee (Fr [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…]

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…]

For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). "What is the difference in taste between cold brew coffee and ice drip coffee?" "Which is simpler to make, cold brew coffee or ice drip coffee?" Guests visiting Front Street Coffee (FrontStr [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…]

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…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee) Before figuring out questions like "the difference between Americano and Latte," "which coffee is less bitter, Americano or Latte," "which tastes better, Americano black coffee or Latte," and so on, Front Street believes [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…]

Geisha coffee beans: is light roast or dark roast better? Flavor description and mouthfeel characteristics introduction CUPPING 10-10-11 Equipment: Hario V60 pour-over drip, medium grind (slightly fine). Because it is roasted relatively light, I hope a finer grind can reduce the acidity. Water temperature: 91°C, wet aroma is good. [more…]

Today a friend was discussing a very interesting question: how to brew "wine-red" coffee. That's right—the wine-red refers to the color of the coffee liquid, because the friend who brought up this topic found that wine-red coffee seems to taste better than coffee of other colors, so they started this discussion. [more…]

When it comes to rich, creamy body, many people first think of Mandheling. Mandheling is indeed a representative of full-bodied richness, but in the world of specialty coffee, it isn't the only region known for beans with abundant oils. Understanding the oil expression of beans from different regions allows you to move beyond the Mandheling framework when selecting beans, giving you a richer set of choices. Mandheling is full-bodied and oil [more…]

If you want a cup of coffee that looks oily and has a thick, rich mouthfeel, make roast level your first consideration when choosing beans. Light-roasted beans usually emphasize floral and fruity notes along with bright acidity; their surface is dry and they show little oiliness. Medium to dark roasts, on the other hand, more readily develop nutty, cocoa, caramel, and roasted aromas, and taste richer as well. If your daily routine centers on [more…]