Recently, Luckin Coffee has hit the trending topics twice in a row over interview-related incidents, sparking widespread discussion. One job applicant said that after failing an interview, she was labeled "timid and weak," which was completely at odds with her performance that day; another 26-year-old woman was rejected for being too old. The poster also revealed that Luckin staff had called her demanding she delete the post, and after she refused, they turned to contacting her family. These incidents have drawn public attention to this chain coffee company, whose store count has now surpassed 20,000, and the issue of inconsistent hiring standards under its two models—directly operated and joint-venture—has gradually come to light. [more…]

Do coffee beans really only taste bitter and muddled after sitting for a long time? In fact, as long as they are stored properly, you can still brew good coffee within two months of roasting—the key is understanding how gas loss affects extraction efficiency. Drawing on Front Street's practical experience, this article analyzes the essential reasons behind the flavor decline of stale beans and offers specific solutions such as lowering the water temperature, coarsening the grind, shortening the brew time, and adjusting the coffee-to-water ratio. Finally, using a La Esmeralda Green Label Geisha that has been stored for nearly two months as an example, it demonstrates a complete 1-minute-52-second brewing process to help you still get a cup full of sweetness with no negative flavors even when the beans are not fresh. [more…]

In the food and beverage industry, coffee shops face all kinds of customer feedback every day, and negative reviews are undoubtedly the most exasperating part of it all. As a chain brand far ahead of its rivals in both store count and sales in China, Luckin Coffee has received some truly absurd negative reviews. From "freezing hands" to "my ex," from "the label wasn't stuck on straight" to "because he's so handsome it got to me," these complaints not only catch staff off guard but also reflect the pressure frontline employees bear now that the rating system is tied to performance. This article rounds up those hilarious yet heartbreaking screenshots of Luckin reviews from Xiaohongshu, and amid the laughter, calls on consumers to show a little more empathy. One less negative review means one less heartbroken person in the world. [more…]

Recently, the yogurt brand Blueglass launched the "Superboy Boyfriend Power Comeback" series, adding traditional Chinese medicine ingredients such as Cistanche, Polygonatum, ginseng, deer whip, and oyster peptides. The intention might have been to promote a health concept, but it was questioned for borderline marketing due to the poster labeling it "18+" and suggestive copy. Similarly, Coconut Palm brand coconut juice was fined 400,000 yuan for vulgar advertising slogans, yet it generated over 5 billion yuan in sales. In an era where traffic is king, eye-catching marketing emerges endlessly, but not all of it yields good results. After Blueglass was exposed, the Shanghai Municipal Administration for Market Regulation has launched an investigation, and the relevant copy was revised and republished. However, the negative label brought by borderline marketing may not be easily erased from consumers' minds. [more…]

A yet-to-open Shanghai coffee shop has sparked heated discussion because its name, "b³ Coffee," sounds like "biesan" (a local slang term for a vagrant or good-for-nothing) in the local dialect. Netizens have been poking fun at it, and some say they won't patronize it because of the name. The brand marking itself as "必三咖啡" on a third-party platform has further escalated the controversy. Although the name brings traffic, it also leaves a negative first impression on consumers. This article reviews the whole incident, discusses the importance of businesses adapting to local customs, and includes related recommendations from Front Street Coffee. [more…]

Nayuki Tea has once again been thrust into the spotlight due to food safety issues. The Market Supervision Administration of Jing'an District, Shanghai, recently imposed a penalty on Nayuki's Shanghai Meilongzhen Plaza store for selling expired grape-flavored cakes to consumers, with a fine of 50,000 yuan. This is not an isolated case—since its listing on the Hong Kong Stock Exchange in June this year, Nayuki's stores have repeatedly been exposed for food safety scandals such as cockroach infestations, spoiled fruit, and excessive bacterial counts. Consequently, its stock price has plummeted from the issue price of HKD 19.80 to around HKD 9, leading to a significant drop in market value. From being the "first stock of new-style tea drinks" to being plagued by negative news, Nayuki's brand reputation is facing a severe test. [more…]

Recently, many Luckin tea-coffee enthusiasts noticed a noticeable change in the flavor of their usual Jasmine Latte, suspecting that the brand had adjusted the recipe. In March of this year, Luckin had just announced an upgrade to its light milk tea, switching from tea powder to freshly brewed tea, and the Jasmine Latte was improved accordingly, with a fresh tea aroma that blended well with the coffee, making it a daily must-order for many consumers. However, starting June 2, regulars reported that the drink tasted weaker, with the coffee flavor almost gone—some even described it as drinking milky tea water. Some customers noticed from the cup labels that the espresso notation had changed from "Espresso Concentrate" to "Short Extract Espresso," and staff also revealed that the ratios of tea, milk, and coffee had all been altered. This adjustment sparked widespread dissatisfaction, with an increase in negative reviews and complaints at stores, and loyal fans calling on the official brand to restore the original recipe. [more…]

Under the double pressure of chain-brand expansion and the post-pandemic economic downturn, independent coffee shops are finding it increasingly hard to stay afloat. Many small cafés barely survived three years of the pandemic, only to choose to close during the recovery period to cut their losses—partly out of economic helplessness, and partly because customer disputes left them disheartened. This article recounts one shop owner's experience of a customer illegally using a flash to take photos, then leaving a bad review afterward, with no recourse through appeals—reflecting the real difficulties and emotional toll independent cafés face in their day-to-day operations. [more…]

A cup of pour-over coffee undergoes noticeable flavor changes as it goes from hot to cold—falling temperatures weaken the perception of sweetness, make acidity and bitterness more prominent, and allow aromas to keep evaporating. So can reheating cold coffee restore it to a pleasant-tasting state? Front Street conducted a comparative experiment with two beans: one is a Gold Label Geisha from Gesha Village, and the other is a Guatemalan Huehuetenango. The results showed that reheating can indeed alleviate the problem of coffee being too acidic, but whether it can become better-tasting depends on the quality of the beans themselves. This article fully documents the experimental process and the flavor performance at each temperature point, providing a reference for coffee enthusiasts. [more…]

In the coffee flavor wheel, there is almost no trace of tea, and the only related entry, "black tea," is classified under the floral category. Yet in the flavor descriptions of coffee beans sold domestically, words such as green tea, black tea, and oolong tea are extremely common. How exactly should tea-like notes be judged? Is astringency equivalent to tea-like notes? Starting from the mechanisms of tea polyphenols and glycosides, this article distinguishes positive astringency from negative astringency, analyzes how organic acids bring about mouth-watering and sweet aftertaste, and, combined with the tasting experience of several Front Street Coffee beans, explains the specific expression of different tea-like flavors in coffee, as well as why domestic coffee beans prefer to use tea-like notes as a descriptor. [more…]

A mother took her child to a shopping mall. After the child fell asleep, she went to a coffee shop to rest on the sofa. Because the temperature inside the shop was low, she asked the staff to borrow a blanket or a work uniform but was refused. She later left a negative review, which sparked heated discussion among netizens. Some people understood the difficulties parents face when out with their children, while others believed that borrowing a blanket went beyond the scope of a coffee shop's service. At the same time, many coffee shop owners complained about the troubles brought by customers with children, and more and more stores have made banning children a rule. This discussion about service boundaries and business realities reflects the dilemma coffee shops face between customer experience and daily operations. [more…]

You often hear the "Golden Cup Standard" mentioned in coffee circles—what exactly does it mean? Simply put, it's an extraction reference range derived by Dr. Lockhart in the last century through extensive sampling surveys—when coffee's extraction yield and concentration fall within a specific range, most people find it tastes good. After subsequent research revisions, the optimal extraction yield was ultimately determined to be 18%~22%, and concentration 1.15%~1.35%. However, Front Street would like to remind everyone that the Golden Cup Standard is only a reference benchmark for beginners, not the sole criterion for whether coffee tastes good. This article will break down in detail the origins of the Golden Cup Standard, the meaning of extraction yield and concentration, and why coffee outside this range isn't necessarily bad—helping you understand the extraction logic of pour-over coffee more flexibly. [more…]

Have you ever wondered where those citrus, berry, chocolate and other flavor descriptions on coffee packaging come from? This article provides a detailed interpretation of the SCA Coffee Flavor Wheel, starting from the first edition released by the SCAA in 1995, tracing its background, the classification logic of positive and negative flavors, and the major updates in the 2016 new edition. The article not only explains the different roles of taste and smell in coffee cupping, but also introduces the simplified consumer flavor wheel launched by the Belgian company Cuperus. Front Street Coffee takes you through a systematic understanding of the design intent and practical application of the coffee flavor wheel, helping beginners build sensory awareness more quickly and understand the language of flavor communication in cupping. [more…]

Luckin Coffee has recently launched another collaborative new product, "Apple C Americano," continuing its fruit coffee C series concept and highlighting a "7 zeros" health standard. However, unlike previous refreshing fruit coffees that received praise, this apple-flavored specialty drink encountered a flood of negative reviews on its launch day, with consumers generally reporting that the concentrated apple juice was too sweet, the coffee flavor integration was poor, and some even described it as "rotten apples soaked in ashtray water." Meanwhile, KFC's previously launched Apple Sparkling Americano was more favored for its taste due to the addition of sparkling water, and in comparison, netizens bluntly said "KFC wins completely." This article reviews the new product's formula, consumer feedback, and differences from competitors, presenting the true reputation of this controversial new item. [more…]

Bitterness is often seen as a negative label for specialty coffee, but bitterness is not always a defect. From Front Street's perspective, this article systematically breaks down the sources of coffee bitterness—from "first crack" during roasting to the transformation between acidity and bitterness—explaining how dark-roasted beans present complex aromas like nut, caramel, and chocolate along with a full-bodied mouthfeel within their bitterness. At the same time, the article also offers practical brewing suggestions for avoiding coffee that is too bitter: using Golden Mandheling as an example, it recommends a water temperature of 86–88°C, a coarser grind, a Kono dripper, a 1:15 coffee-to-water ratio, and a two-minute extraction, while emphasizing details such as thorough blooming and slowing the pour, helping you preserve the charm of dark roasting while staying away from harsh, bitter, and muddy flavors. [more…]

In coffee tasting, "cleanliness" does not refer to whether the coffee liquid looks clear, nor does it mean a single, bland flavor profile. Rather, it means that upon tasting, there are no unpleasant defective flavors, while at the same time the various flavors are clearly distinct and do not interfere with one another. This metric may seem simple, but in reality it places high demands on every stage of coffee—from cultivation, processing, roasting, and brewing. This article will systematically sort out the meaning of cleanliness, analyze how defective flavors and off-flavors are formed, explain the key impact of brewing and extraction on cleanliness, and finally provide brewing suggestions for two Front Street Coffee beans with high cleanliness. [more…]

Many friends who are just getting into specialty coffee often have a common question: why do the raspberry, citrus, and caramel flavors listed on coffee bean labels seem completely undetectable when they drink it themselves? Are these flavor descriptions just mystification, or do they actually exist? This article will start with the first version of the coffee flavor wheel released by the SCAA in 1995, and combine scientific research from "The Chemistry of Coffee Aroma" to explain why flavor descriptions are not fabricated out of thin air, but rather a communication standard supported by compound foundations and sensory thresholds. At the same time, the article will also explore whether flavor descriptions play a "psychological suggestion" role, and why the same cup of coffee can influence your tasting experience just by being described differently. If you also want to understand how to actually taste the flavors in pour-over coffee, this content is worth reading. [more…]

The most direct way to judge whether a cup of pour-over coffee is successful is to drink it. But to truly improve your brewing skills, intuition alone is far from enough—you also need to master a systematic tasting method. From the perspective of Front Street, this article simulates the evaluation process from the customer's role after a barista serves a cup of pour-over, unfolding along three dimensions: first, confirming there are no strong negative tastes; second, sensing whether the mouthfeel is relatively balanced; third, paying attention to whether the aroma continues to be released. At the same time, combined with extraction examples of light-roast and dark-roast beans, it explains the relationship between flavor expression and parameter adjustment under different roast levels, helping coffee lovers build a clear tasting framework. [more…]

Recently, a newly resigned worker posted on social media accusing a Luckin Coffee franchise store in Shandong of unreasonable employment practices, claiming that after four days of training they received only 4 yuan in wages. The incident quickly sparked heated discussion among netizens, with many suggesting seeking help through police report or labor arbitration. Subsequently, the store manager recalculated the pay at 10 yuan per hour for 25 work hours. Other netizens also reported similar experiences at the same store. Front Street Coffee is paying attention to this matter and calls on the brand to intervene to protect workers' lawful rights and interests, while also reminding coffee enthusiasts to be aware of how employment misconduct at franchise stores can negatively impact the brand's image. [more…]

Many friends who are just getting into coffee will directly say they want to drink coffee that isn't sour, and Front Street Coffee baristas usually recommend these dark roast representatives: Indonesian Golden Mandheling, Brazilian Queen's Estate, and Papua PGN Bird of Paradise. But to bring out their sweet aroma and full body, both the parameters and the technique require attention. This article starts with the flavor sources of bitterness, breaking down how caramelization and the Maillard reaction shape four types of positive flavors—caramel, roasted, nutty chocolate, and spice—as well as negative bitterness such as smoky and medicinal notes. Then, using Front Street Golden Mandheling as an example, it provides a complete plan for grind size, water temperature, coffee-to-water ratio, and three-stage pouring to help everyone brew a full-bodied sweetness. [more…]