Many friends who are just getting into espresso often wonder: when exactly should you adjust extraction parameters, and how should you adjust them? In fact, judging whether a shot of espresso is normal cannot rely only on numbers like dose, yield, and time—it also requires evaluating the flow condition and final taste together. Drawing on Front Street's hands-on experience, this article explains that parameters fluctuate every day due to factors such as weather and bean condition, and uses the specific case of Front Street's classic blend to explain how to judge under-extraction or over-extraction by observing flow speed, the stability of the liquid stream, and tasting acidity and bitterness, while also giving the corresponding adjustment directions, including fine-tuning the dose, yield, or grind size. [more…]

Buying a bag of unfamiliar coffee beans, the biggest fear is using the wrong parameters and wasting good beans for nothing. In fact, even without an existing brewing recipe on hand, you can judge whether the beans suit a high-efficiency or low-efficiency extraction method by observing their roast level and density, and thereby set the appropriate water temperature, grind size, and ratio. In this article, Front Street Coffee will walk you through starting from flavor descriptions and bean hardness, breaking down the differences between light-roast and dark-roast coffee beans step by step, and using two beans—Ethiopian Huakui and PWN Golden Mandheling—as examples to provide directly referenceable pour-over parameters, so you can brew confidently even when facing new beans. [more…]

Many coffee enthusiasts often wonder after switching filter cups: can the original pour-over parameters still be used, and exactly how long should the extraction time be controlled to be considered appropriate. Starting from the differences in filter cup shape and flow rate, and combined with Front Street Coffee's measured data, this article compares the extraction performance and flavor differences of the V60 and flat-bottom cake filter cup under the same parameters, explaining that the real purpose of parameter adjustment is not to pursue fixed values, but to serve the ideal taste. The article also provides a ranking of the flow rates of common filter cups, helping readers understand the relationship between filter cup characteristics and extraction time, so as to formulate brewing plans more flexibly. [more…]

Many coffee enthusiasts make a point of visiting Front Street Coffee, drawn not only by the impressive variety of coffee beans but also by the baristas' brewing skills, which never fail to impress. When it comes to brewing a great cup of coffee, does it ultimately come down to hands-on technique or mental understanding? Front Street Coffee believes that water flow control and pouring are merely the basics. What truly determines the flavor direction is a deep understanding of the four key parameters: grind size, coffee-to-water ratio, water temperature, and time. This article will systematically lay out ways to improve your pour-over skills, from the interconnected relationships between parameters and methods for categorizing coffee bean characteristics to practical tips for keeping brewing records. Whether you are a beginner just getting into pour-over or an experienced brewer looking to break through a plateau, you'll find actionable guidance here. [more…]

Many friends have come to visit Front Street Coffee, drawn by its reputation. Besides marveling at the wide variety of coffee beans, they also greatly admire the baristas' brewing skills. Among them, many want to discuss pour-over brewing with the baristas. So Front Street Coffee takes this opportunity to share some thoughts on how to improve coffee brewing skills. Before that, Front Street Coffee asked [more…]

For friends who enjoy espresso, the purpose of adjusting parameters after startup is often not for the espresso itself, but to see whether the fancy coffee drinks made with it as a base actually taste good—for example, whether the Americano with added water is fragrant enough and whether it will be bitter, whether the latte paired with milk is strong enough, whether it is mellow, and so on. Therefore, espresso [more…]

Freshly roasted coffee beans often carry a large amount of carbon dioxide and a harsh, dry sensation. Brewing them directly will greatly diminish the flavor, and the cup will not be smooth enough to drink. This article addresses this common problem by outlining three practical solutions for dealing with fresh coffee beans: first, accelerating gas release through degassing; second, adjusting parameters such as water temperature, grind size, and blooming time to improve extraction efficiency; and third, adopting immersion-based extraction, which has a higher margin for error. Using Front Street Ethiopia Hamashu coffee beans as an example, the article provides specific details on dose, water temperature, coffee-to-water ratio, and staged pouring demonstrations, and compares the flavor differences under conventional parameters, helping coffee lovers brew a relatively excellent cup even when they are impatient to drink it. [more…]

In the practice of pour-over coffee, many enthusiasts directly apply common brewing frameworks, such as controlling the total extraction time to around two minutes. But in actual brewing, the same parameters may show significant time deviations due to different drippers. What exactly is going wrong behind this? The shape of the dripper, the size of the holes, and the distribution of the flow-guiding ribs all change the drainage speed, which in turn affects the final flavor. This article compares the measured performance of the V60 and the cake dripper to explore a core question: when facing drippers with different flow rates, must we re-plan the brewing framework? And how should we view the parameter of extraction time? [more…]

Many people, when first encountering iced pour-over, have this thought: since hot americano uses hot water and iced americano uses ice water, then if hot pour-over uses hot water, shouldn't iced pour-over just use ice water directly? This idea sounds reasonable, but pour-over extraction is far from that simple. This article will first clarify the underlying logic of extraction, then explain why brewing with ice water is theoretically feasible but almost no one actually does it in practice, followed by an analysis of the relationship between Japanese-style iced pour-over and hot pour-over, complete parameters from Front Street Coffee for both hot and iced brewing, and finally a real result from an ice water brewing experiment, for coffee enthusiasts' reference. [more…]

Many coffee enthusiasts have experienced this confusion: why does the same bean taste different every time it's brewed? Occasionally a stunning cup of coffee is brewed, but it's hard to reproduce afterwards, so some people attribute coffee extraction to "metaphysics." But in fact, extraction is a quantifiable, reproducible scientific process. Water acts as a solvent, dissolving the flavor substances from the coffee grounds, while parameters such as grind size, water temperature, time, and coffee-to-water ratio all directly affect extraction efficiency, and thereby determine the final flavor in the cup. Taking Ethiopia Huakui as an example, Front Street uses 15g of grounds, a 1:15 coffee-to-water ratio, caster sugar grind size, and a two-minute three-pour brewing method to consistently obtain a coffee with balanced acidity and sweetness, carrying citrus, strawberry, and creamy floral aromas. This article will systematically explain how to achieve flavor stability and targeted adjustments by recording and controlling parameters, and explain the scientific logic behind the differences in dissolution rates of sourness, sweetness, bitterness, and saltiness. [more…]

Why does the stirring method for brewing iced pour-over coffee bring out a richer flavor? This article will analyze the essential difference between the stirring method and conventional pouring from the perspective of extraction efficiency, and share in detail the complete parameters and steps for Front Street Coffee's iced pour-over made with Kenyan Little Tomato coffee beans, using a V60 dripper paired with the stirring method. If you are also interested in this fun brewing technique, why not follow along with this article and give it a try at home, experiencing the full-bodied juiciness and rich flavor that the stirring method brings. [more…]

Many coffee enthusiasts are curious: can espresso beans be used for pour-over? The answer is of course yes, but between "can brew" and "tastes good" lies a gulf of parameters. Espresso beans are usually roasted darker, with the aim of balancing the acidity and bitterness for both milk coffee and espresso. If you directly apply the parameters for light-roast pour-over beans, it is very easy to over-extract. This article starts with the differences in roasting, explains the respective characteristics of espresso blend beans, single-origin pour-over beans, and SOE, and, using Front Street Coffee's Huakui and Strawberry Candy Espresso as examples, provides pour-over adjustment plans for medium-roast espresso beans—lowering the water temperature and coarsening the grind—so as to brew a balanced, full-bodied coffee with a long, lingering finish. [more…]

Many people who are just getting into pour-over coffee feel that the barrier to entry is high, but in fact, as long as you grasp the four core parameters of grind, water temperature, ratio, and time, brewing good coffee is not difficult. This article starts from a beginner's perspective and shares three practical tips for getting up to speed quickly: first, learn how to taste a cup of coffee, and build flavor judgment through drinking more and comparing, using cupping when necessary to understand the normal state of the beans; second, develop the habit of record-keeping, systematically tracking bean information, brewing parameters, and final performance, and learn to control variables to understand the impact of each parameter on extraction; finally, on the basis of familiarity with the logic of the parameters, adjust flexibly and make targeted corrections for problems such as under-extraction. In the article, Front Street Coffee uses Huakui as an example, giving specific parameters and adjustment ideas to help beginners avoid detours. [more…]

Many people, when preparing instant noodles, strictly follow the "scientific instant noodle method," using a stopwatch to steep the noodles in 100°C boiling water for exactly 3 minutes, all to achieve the best possible texture. Similarly, when brewing coffee, we also time it precisely, with the same goal: to consistently brew a delicious cup of coffee. [more…]

Many friends, when ordering pour-over coffee in a café, will prioritize the hot brew method, because as everyone knows, if we want to experience a relatively complete flavor profile in pour-over coffee, then hot brewing is absolutely the best choice. But when the weather is too hot, we always find it hard to [more…]

Ever brewed the same coffee beans at home, only to find it never tastes as rich as what you get in a café? The problem usually lies in strength or extraction yield. Insufficient strength often comes from using too much water and diluting the coffee, while under-extraction stems from poorly tuned parameters like water temperature, grind size, and brew time. This article breaks down in detail how to improve the flavor by adjusting the coffee-to-water ratio, water temperature, and grind size, and shares two sets of brewing parameters from Front Street for medium-light and medium-dark roasted coffee beans, helping you easily brew pour-over coffee with full aroma and standout flavor. [more…]

Many coffee enthusiasts, when adjusting espresso parameters, don't really care about the espresso itself, but whether the americano or latte made from it tastes good. So, is it really necessary to use different extraction recipes for americano and latte? Starting from Front Street's hands-on experience, this article first goes over the basic logic and conservative formula of espresso extraction, then addresses the characteristics of americano and milk coffee separately, explaining how to adjust the coffee-to-water ratio to highlight each one's flavor strengths, so that every cup of fancy coffee can achieve the ideal taste performance. [more…]

When faced with coffee beans processed in different ways, is it necessary to design a separate brewing recipe for each one? Front Street believes that rather than recording tedious parameters one by one and bearing the high cost of trial and error, it is better to categorize beans by processing method or roast level and use a single recipe with a broad coverage range. This article focuses on three processing methods—natural, washed, and anaerobic—explaining the differences in their flavor expression, as well as the targeted adjustments that can be made during brewing, including the thinking behind setting water temperature, coffee-to-water ratio, grind size, and extraction time. The article also specifically explains why anaerobically processed coffee drains faster, and how to ensure full extraction by grinding finer or switching to a slower-flow filter basket. All parameters are based on medium-light roasted beans, with adjustment suggestions for medium-dark roasted beans included. [more…]

In pour-over coffee, the choice of dripper is often overlooked by beginners, but it actually directly affects extraction time, method, and ultimately the flavor in the cup. Drawing on everyday brewing experience, Front Street Coffee offers dripper pairing suggestions for coffee beans of different roast levels. Light-roasted beans suit fast-flow conical drippers like the V60 to highlight floral and fruity aromas and layering; dark-roasted beans are better matched with slow-flow drippers like the Kono to enhance body and sweetness. The article also uses Granja Geisha and PWN Golden Mandheling as examples, listing specific parameters such as dose, ratio, grind size, and water temperature in detail for coffee enthusiasts' reference. [more…]

During a pour-over bloom, whether the coffee bed can puff up into a plump "hamburger" is a topic many enthusiasts care about. Some people use the same parameters yet always end up with a flat, deflated bed, and can't help wondering whether their bloom has failed. In fact, the principle behind the bed expanding isn't complicated: when coffee grounds contact hot water, they release carbon dioxide, and the bubbles accumulate within the bed, pushing it upward. Whether a pronounced dome forms mainly depends on the roast level and freshness of the coffee beans, as well as whether the brewing parameters are appropriate. Drawing on Front Street Coffee's brewing experience, this article breaks down the mechanism of bed expansion, explains the advantages of dark-roasted and fresh beans, while also cautioning about the extraction problems that overly fresh beans can cause, and offers recommendations on grind size, water temperature, and other parameters to help you read information about your coffee beans through the state of the bloom. [more…]