Many people conflate black coffee with Americano, but in fact, Americano is just one member of the black coffee family. Its flavor expression is inseparable from the quality of the espresso, and although it is essentially espresso diluted with water, it has unexpectedly taken the world by storm. In this article, Front Street Coffee will walk you through the origin story of Americano, the principles behind making it, recommendations for blend and SOE beans, as well as the extraction parameters and drinking suggestions for iced Americano, helping you figure out whether iced Americano can actually aid weight loss and when is the best time to drink it. [more…]

Espresso is the foundation of various Italian-style beverages such as Americano, latte, and cappuccino. It is extracted by forcing approximately 92°C hot water under high pressure through a finely ground and compacted layer of coffee powder using an espresso machine. This article focuses on the extraction standards for espresso, covering the coffee-to-water ratio, extraction time, TDS measurement, and the calculation method for extraction percentage, and outlines the complete operational steps from wiping the portafilter basket to cleaning the group head. It also introduces the recipe concepts and flavor characteristics of Front Street Coffee's four espresso blend beans, as well as the espresso extraction protocol used in Front Street Coffee shops, providing a systematic reference for coffee enthusiasts. [more…]

Espresso extraction has never been something that can be solved with a fixed formula. The freshness of the coffee beans, the grind size, the brand and model of the espresso machine, the extraction pressure, and the stability of the water temperature—every one of these variables will cause the final cup's flavor to deviate. Precisely for this reason, in its educational articles Front Street Coffee rarely gives an exact extraction time figure the way it does for pour-over. This article will start from the dimensions of dose, coffee-to-water ratio, extraction time, flow rate, pressure, and water temperature, systematically sorting out how to customize a suitable espresso extraction plan for the blend in your hands, and will also introduce the methods for measuring and calculating espresso concentration and extraction yield, helping you find your own cup of good coffee within the Golden Cup reference range. [more…]

Whenever people mention black coffee, they always think of Americano first, and many friends assume that black coffee is just Americano. In fact, black coffee refers to any coffee without sugar or milk added, and Americano is just one type within that category. Whether an Americano tastes good and how its flavor performs depends on how it is made. [more…]

For more specialty coffee knowledge, please follow our WeChat official account: FrontStreet Coffee. Italy is a country of coffee culture. The espresso that has spread across the globe is the soul of coffee and a treasure Italy has given to the world. Espresso, as the name suggests, is a [more…]

When extracting espresso, the normal flow rate should start slow and gradually speed up, but sometimes the exact opposite occurs—after pressing the extraction button, the coffee liquid bursts out violently, then quickly thins and slows down. This abnormal flow rate—fast first, then slow—often indicates a problem with the extraction yield, and the resulting espresso's flavor is less than ideal. From Front Street's perspective, this article systematically breaks down the four major factors behind this phenomenon: the dose exceeding the basket's standard gram weight, uneven tamping causing channeling, the pressure pump set too high leading to an overly aggressive extraction, and the coffee beans having finished degassing and no longer being fresh. For each cause, the article provides specific adjustment solutions to help coffee enthusiasts find the root of the problem and correct it. [more…]

Whenever people mention black coffee, they always think of Americano first, and many friends assume that black coffee is just Americano. In fact, black coffee refers to any coffee without sugar or milk added, and Americano is just one type within that category. Whether an Americano tastes good and how its flavor performs depends on how it is made. [more…]

In the world of coffee, grind size is one of the key factors determining the success or failure of a cup. Different brewing methods have vastly different requirements for coffee grounds coarseness—from the sugar-like coarseness for a French press to the tiny particles between flour and mud for espresso, every extraction method has its corresponding grind standard. This article will provide an in-depth analysis of how to determine the grind setting for espresso, combining the definitions of Espresso from the Italian Coffee Association and the WBC to explain in detail how to control extraction time and flavor performance by adjusting grind size, and share Front Street Coffee's practical approach and specific cases when dialing in unfamiliar coffee beans, helping coffee enthusiasts precisely master grinding techniques. [more…]

In coffee brewing, how to balance flavor and avoid under-extraction or over-extraction is a concern for every coffee enthusiast. The Golden Cup standard provides a widely recognized reference framework, covering the ideal ranges for extraction yield and concentration. This article will systematically review the origins of the Golden Cup standard and the specific values set by coffee associations in various countries, explain in detail the formulas for calculating concentration and extraction yield, and, using the example of Front Street Coffee's Ethiopia Florque 4.0 pour-over, demonstrate how to measure and calculate extraction yield with an ExtractMoJo refractometer, helping you find the flavor balance point that suits you in your daily brewing. [more…]

Espresso is the soul base of fancy coffee drinks like lattes and cappuccinos, but many friends who are just getting into coffee still have doubts about its definition, extraction standards, and the difference between single and double shots. Starting from Front Street Coffee's production experience, this article systematically sorts out the basic concept of Espresso, the differences between single and double espressos, the production process and qualified standards, and combines the Feima E98 coffee machine to give specific extraction parameters for hot lattes and suggestions for milk-to-coffee ratios. Whether you want to know how many milliliters espresso must be to count as qualified, or want to know why it is now mostly measured in grams, this article can provide clear and practical answers to help you build a basic understanding of espresso. [more…]

Espresso is a precious beverage that Italy has gifted to the world. It may seem to require only a few dozen seconds of extraction, yet behind it lies a precise coordination of a series of parameters including grind size, water temperature, dose, and liquid yield. Starting from the freshness and roast level of coffee beans, this article explains how different roast levels affect extraction stability, and introduces the flavor characteristics and suitable scenarios of several Front Street espresso blends. It then provides an in-depth analysis of how brew ratio, dose adjustment, grind coarseness, and humidity changes affect flow rate and flavor. Combined with real parameter-tuning cases from Front Street Coffee shops, it demonstrates how to achieve an ideal balance among aroma, acidity, and body through fine-tuning of dose and grind size. [more…]

The brew ratio of espresso is one of the key factors determining its flavor expression. The standard ratio is usually 1:2, meaning a single shot uses 9 grams of coffee to extract 18 grams of liquid, while a double shot uses 18 grams of coffee to extract 36 grams of liquid. However, in actual production, fine-tuning based on taste is still necessary. Starting from the definition of espresso, this article will provide a detailed analysis of its taste characteristics, the correct way to drink it, and the adjustment logic of core extraction parameters such as dose, liquid weight, and grind size. At the same time, drawing on the hands-on experience of Front Street Coffee stores, it will share how to quickly dial in a balanced and delicious espresso through flexible variable control. [more…]

Want to brew a delicious pour-over coffee at home but don't know where to start? Drawing on the production experience of Front Street Coffee, this article systematically lays out all the equipment and ingredient selection points needed for pour-over, including how to judge coffee bean freshness, grind size references for grinders, water quality selection, and recommendations for drippers and pour-over kettles. It also explains in detail the coffee-to-water ratio, water temperature range, and the specific operation of three-stage pouring, and uses a Panama Boquete washed Geisha as an example to fully demonstrate each step from blooming to the end of dripping, helping beginners quickly build a pour-over framework. [more…]

Why does a coffee shop need to adjust the grinder every day? How does grind size affect extraction? Starting from the principles of grinding, this article systematically explains how to adjust the settings on an electric espresso grinder, including how to judge the quality of the grounds, the specific operating steps, the relationship between the output and the grind setting on an electronic grinder, and practice suggestions for the water-to-coffee ratio. Whether you are a new barista or a seasoned enthusiast, you can find practical adjustment ideas here to make every shot of espresso consistently excellent. [more…]

To make a well-balanced espresso at home, the key is to master a few core variables that affect extraction. Drawing on the practical experience of Front Street Coffee, this article systematically sorts out the relationships among the four main adjustable parameters—dose, grind size, brew ratio, and extraction time—to help readers understand how to decide which direction to adjust based on the taste the espresso presents. It also introduces the basic concept of the Golden Cup standard, explains why choosing a more stable espresso blend can improve the margin for error in home extraction, and lists four distinctive blends from the Front Street bean lineup for reference. [more…]

For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). For more specialty coffee beans, please add our personal WeChat Front Street Coffee (FrontStreet Coffee), WeChat ID: qjcoffeex. "Why do celebrities [more…]

For enthusiasts who are just getting into pour-over coffee, one of the first things that often causes confusion is how many grams of coffee to use for a single serving, and how to calculate the water-to-coffee ratio for two people. Starting from Front Street Coffee's practical experience, this article systematically explains the principles of distributing the coffee-to-water ratio in pour-over brewing. Combined with the strength recommendations of the SCAA (Specialty Coffee Association of America), it provides the widely applicable parameter range of 1:15, and further analyzes the seven major elements of pour-over brewing—from coffee bean freshness, grind size calibration, and water temperature control to dripper selection and brewing time. The article also includes the specific brewing data and three-stage extraction method for Front Street Yirgacheffe Washed Gedingding, helping readers, on the basis of understanding the principles, reduce operational mistakes and consistently brew a clean-tasting cup of good coffee. [more…]

Espresso is the soul base of fancy coffees like lattes, cappuccinos, and mochas, but do you really understand it? How many milliliters does a shot of espresso need to be to qualify as standard? Is the difference between a single and a double shot merely concentration? From the professional perspective of Front Street Coffee, this article systematically sorts out the definition, historical origins, and production process of Espresso, deeply analyzes the differences between single and double espressos in terms of dose, equipment, and extraction method, and provides international technical standards along with Front Street's current extraction scheme. It also extends to the preparation parameters and coffee-to-milk ratio of hot lattes, helping coffee enthusiasts fully master the core knowledge of Italian-style coffee. [more…]

Espresso extraction is far more sensitive than pour-over, and any slight deviation in parameters will be multiplied in the flavor. Drawing on the practical experience of Front Street Coffee, this article systematically outlines the six core variables that affect espresso extraction—dose, brew ratio, extraction time, flow rate, extraction pressure, and extraction temperature—to help you understand how grind size should be adjusted and judged. At the same time, the article also explains in depth operational details such as weighing the grounds, distributing the grounds, tamping, machine extraction, and cleaning, and analyzes easily overlooked issues such as retained grounds and dosing grind errors. Whether you are a beginner just getting into espresso or an enthusiast hoping for consistent output, you can find actionable adjustment ideas here. [more…]

Espresso is a concentrated coffee liquid that Italians extract quickly in a short time using a pressurized coffee machine at high temperature and high pressure, with a layer of golden foam covering the surface. Each store has different flavors due to different bean varieties and extraction schemes, but a standard espresso usually has two major characteristics: dense crema and high concentration. This article will start with the formation principle of Crema and the source of high concentration, then use store practical operations as a reference to explain in detail the steps and key parameters of making Espresso, including dose, liquid weight, extraction time, and ratio control, and explain Front Street Coffee's extraction scheme and the applicable scenarios of classic Italian blend beans, helping enthusiasts stably reproduce a qualified cup of espresso at home. [more…]