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Guide to Judging Yellow Point and First Crack in Coffee Bean Roasting: What Causes Underdeveloped and Astringent Flavors in Coffee?
As the title suggests, this article by FrontStreet Coffee is primarily aimed at providing mental preparation for those about to enter the world of coffee roasting. In the first five lessons of "Coffee Roasting from Zero," only very basic roasting theories were explained. The simplicity level is roughly equivalent to the "multiplication table" in mathematics. We must recognize a reality that theory...
2022-02-06 coffee roasting yellow point first crack underdeveloped flavor astringency coffee bean roasting tutorial -
[FrontStreet Coffee Roaster's Notes] Different Flavor Expressions of Costa Rica Black Soul at Various First Crack Times
![[FrontStreet Coffee Roaster's Notes] Different Flavor Expressions of Costa Rica Black Soul at Various First Crack Times](https://en.gafei.com/uploads/allimg/190423/17-1Z42314050M15-lp.jpg)
Today, FrontStreet Coffee wants to discuss the timing of first crack in coffee roasting. What is first crack? First crack occurs when coffee beans, after experiencing the dehydration phase, produce carbon dioxide as water and other substances heat up, causing the beans to continuously expand, break through their cell walls, and emit loud cracking sounds. Today, FrontStreet Coffee uses Costa Rica Black Soul to explore this topic.
2025-08-21 FrontStreet Coffee roasting roaster's notes Costa Rica Black Soul first crack time different flavor -
How to Order at a Coffee Shop for the First Time? What Coffee Do Connoisseurs Usually Drink?
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more specialty coffee beans, please add the private WeChat of FrontStreet Coffee, WeChat ID: qjcoffeex. When you don't know how to order coffee at a coffee shop for the first time, you can chat with the barista and let them know
2023-01-08 coffee shop ordering coffee first time coffee connoisseurs coffee knowledge -
Starbucks Reserve Coffee · Bar is Here! Starbucks Brings Bar Experience to Chengdu for the First Time
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). In the future, you can also enjoy drinks at Starbucks in Chengdu. On January 22nd, Starbucks added a new bar store concept to its Chengdu locations - Starbucks Reserve Coffee Bar. It is understood that the first Starbucks Reserve Coffee Bar in Chengdu is located at Wan
2021-01-24 Starbucks Reserve Coffee Bar First Time Bar Experience Bring To Chengdu Professional -
Differences Between Light, Medium, and Dark Coffee Roast Stages - Coffee Bean Roast Degree and Acidity
For professional barista exchanges, please follow Coffee Workshop (WeChat Official Account: cafe_style). Coffee roast degree introduction: Light roast stage (city+): Fruity acidity roast point: First crack completely ends. Flavor characteristics: In this stage, the proportion of acidic factors is relatively high, so the brightness of acidity is highest; at this time, the coffee beans
2025-04-26 coffee roasting introduction light roast stage medium roast dark roast professional exchange -
Coffee Roasting Principles Detailed Guide to Specialty Coffee Bean Roasting Steps and Coffee Roaster Recommendations
Coffee Roasting - The reason coffee is beloved by many mainly lies in the aroma formed after roasting and the taste experience when drinking. Raw coffee beans themselves have no special flavor; it is roasting that completely transforms and reorganizes the substances within the raw beans, forming new structures and bringing out the rich, mellow flavor of coffee. Roasting Tools Roasters are divided into 3 categories: direct flame, semi-hot air
2015-09-15 Coffee Roasting Specialty Bean Guide Detailed -
Complete Guide to Coffee Bean Roasting: Comparison Chart of Eight Coffee Roast Levels and Their Differences - Medium vs Dark Roast Distinctions
Professional coffee knowledge exchange for more coffee bean information, please follow Coffee Workshop (WeChat official account cafe_style). Complete guide to coffee roasting techniques | The purpose of coffee roasting and the characteristics of coffee beans. The flavor of coffee largely depends on raw coffee beans, with a smaller portion being altered through roasting. After all, roasting is the only aspect we can control.
2025-03-09 common eight types coffee roasting introduction beans degrees comparison chart differences -
A Detailed Guide to the Complete Coffee Roasting Process: When Does the Second Crack Occur?
Comparison of coffee beans at various roasting stages [Image source: Fang Jiangang] Are you ready with your green beans, prepared to showcase your skills and roast coffee beans with your unique flavor profile? If not, feel free to use your imagination and join me on this aromatic roasting journey. Simply put, roasting is the process of directly applying heat to the item being roasted.
2025-06-21 coffee roasting complete process detailed guide second crack when stage coffee beans -
What is the optimal extraction time for pour-over coffee? Does the brewing time include the blooming period?
When brewing coffee, an electronic scale is typically necessary, as scientific brewing methods require precise data. Weighing coffee grounds and measuring water volume both require the weighing function of an electronic scale. However, coffee scales also have another essential feature: a timer. That's right—when we brew coffee, we also need to use
2023-01-09 pour-over coffee extraction time brewing time blooming period coffee making electronic scale coffee brewing techniques -
How Should Costa Rica Mozart Be Roasted to Taste Delicious? What Roasting Methods Suit Mozart?
Before roasting a new bean, we first gather information about this bean and the flavor notes provided by the green bean supplier, then we try to roast a few batches based on this information, and make adjustments according to cupping results. Some time ago, we obtained a Mozart from Costa Rica. This bean was previously
2025-07-02 Costa Rica Mozart should how roast delicious suitable what method -
How to Achieve Different Flavor Profiles by Adjusting Roasting Techniques for Black Honey Coffee?
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). Previously, we mostly shared how to adjust brewing parameters and techniques to extract different flavors from a single bean. Today, I want to share with everyone how to achieve different flavor profiles by adjusting roasting techniques for Black Honey coffee? | Bean Information: Costa Rica Giant Stone Estate
2019-06-27 How through adjust roasting techniques single giant stone different flavor professional -
The Impact of Blooming and Its Duration on Pour-Over Coffee (Part 2)
Last time, we used the Clever dripper to obtain objective data about blooming and its duration. We learned from sensory evaluation that as blooming time increases, acidity decreases while sweetness and viscosity are enhanced. The overall flavor profile gradually shifts toward the backend and becomes more complex. From the TDS and EXT readings, we observed that as blooming time lengthens, both TDS and EXT values show a downward trend. And I...
2015-07-01 blooming duration impact pour-over coffee extraction -
Why Starbucks Uses Dark Roast Beans for Americano and Why Espresso Beans Develop Surface Oil
Differences Between Starbucks Medium and Dark Roasts - Starbucks Espresso Roast Coffee Beans. The 4321 Theory in Specialty Coffee: 40% of a specialty coffee's quality comes from variety, cultivation, and processing methods; 30% from roasting; 20% from brewing equipment; and 10% from the barista's technique. Roasting has a particularly significant impact on the flavor profile of specialty coffee. The reason why brown beans develop
2016-12-27 Starbucks Medium Roast Dark Difference Espresso Coffee Beans -
Flavor Differences Between Coffee Bean Roasting Levels | Blue Mountain No.1 Coffee Bean Roasting Temperature
Professional coffee knowledge exchange For more coffee bean information please follow Coffee Workshop (WeChat official account cafe_style) What are the flavor and taste differences between different coffee bean roasting levels? What is the maximum temperature for coffee bean roasting? It is generally believed that raw beans determine 80% of coffee flavor while the remaining 20% is determined by roasting. The most critical key is to which roasting level the beans are roasted. Over-roasting
2018-08-30 coffee beans different roasting levels flavor taste differences temperature not more than -
Mandheling Special: Mandheling Origin Information, Roasting, Brewing, Extraction
Both Lake Toba in North Sumatra province and Lake Tawar in Aceh produce Mandheling coffee, which is the famous two-lake double Mandheling. The common characteristic of the two-lake double Mandheling is that they are both thick and mellow, but the difference is that Lake Toba's Mandheling is more mellow and deep, even with grass jelly flavor, while Lake Tawar Mandheling has brighter fruit acidity, sometimes with a...
2025-08-15 Mandheling special origin information roasting brewing extraction -
56,433 Tons! Starbucks China Discloses Yunnan Coffee Bean Procurement and Export Volume for the First Time
For more professional coffee knowledge exchange and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more specialty coffee beans, please add private WeChat FrontStreet Coffee, WeChat ID: qjcoffeex. Today, Starbucks China disclosed data on Yunnan coffee bean procurement and export volume for the first time, comprehensively revealing their coffee bean sourcing in China.
2022-12-21 Starbucks China Yunnan coffee beans coffee procurement coffee export volume coffee trade Chinese coffee industry -
Sidamo Coffee Characteristics - Queen 6.0 Coffee Bean Flavor, Taste Profile and Name Origin Latest News
For professional barista discussions, please follow Coffee Workshop (WeChat official account: cafe_style). Ethiopian Sidamo Shakisso Natural Country: Ethiopia Region: Guji Zone Altitude: 2250-2350m Processing Method: Natural Variety: Local
2024-10-31 Sidamo Queen characteristics coffee brewing methods professional exchange follow workshop -
The Impact of Blooming and Its Duration on Coffee Brewing (Part 1)
We've conducted numerous experiments sporadically in our shop, but never organized the results systematically. Over time, many of the theories and experimental findings we discovered have faded from memory. Therefore, FrontStreet Coffee's team decided to conduct rigorous experiments with minimized deviations, and organize the data and results to share with everyone, helping us remember better and allowing everyone to benefit together.
2015-06-11 blooming duration coffee brewing impact in-store experiments results -
Summer Cold Brew Coffee Making Method! Super Simple Iced Coffee Tutorial with Illustrated Steps
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more specialty coffee beans, please add FrontStreet Coffee on WeChat: qjcoffeex. "My life! Iced coffee gives it!" Although this statement might be a bit exaggerated, it's undeniable that
2024-05-01 cold brew coffee iced coffee summer coffee recipes coffee brewing methods coffee tutorial -
Sidamo Guji Coffee Flavor Characteristics Ethiopian Guji Coffee Bean Pour-over Brewing Parameters Introduction
Professional barista exchange follow Coffee Workshop (WeChat Official Account cafe_style) Hambella (generally translated as Hanbella) is located in Ethiopia's largest coffee production area Guji (GUJI), administratively belonging to Oromia Regional State. Hambella's western border connects with Yirgacheffe Kochor
2024-04-05 Sidamo Guji what flavor coffee how brew professional exchange