7 Best Dual Boiler Espresso Machines

7 Best Dual Boiler Espresso Machines

Lvl Up Coffee Hits High Scores In Normal, Illinois

Specialty coffee in the central Illinois town of Normal has reached a new stage of quality with the opening of Lvl Up Coffee Bar. Brought to life by coffee roaster…


Brewing at Home and On the Road with Darrin Daniel

We check in with the Cup of Excellence executive director to learn his current coffee-brewing habits. BY TANYA NANETTISENIOR ONLINE CORRESPONDENT Featured photo by Emre via Unsplash Brewing coffee is, for many coffee professionals, more than just a job.   They usually brew coffee every day, both for themselves and their customers. Perhaps they do it […]


Study Shines New Light on the Complex Arabica Coffee Genome

Researchers in Italy say they’ve shed new light on arabica coffee’s large and complex genome, which may ultimately help breeders seeking desirable traits such as high quality and disease resistance….


The Slingshot Chalice Puts a New Spin on Espresso Dosing

Hong Kong and Australia-based coffee equipment maker Slingshot Technology recently launched the Chalice Distributor Cup, a multipurpose espresso preparation tool for baristas. Displayed in its…

7 Best Dual Boiler Espresso Machines

Brewing at Home and on the Road with Wilford Lamastus Jr.

We talk to the multi-time Panama Brewers Cup champion about his brewing preferences. BY TANYA NANETTISENIOR ONLINE CORRESPONDENT Photos courtesy of Wilford Lamastus Coffee professionals tend to spend most of their days brewing coffee. It can be an espresso shot pulled for a customer or a cupping to check out a new roaster to choose […]


4 Cool Cafés to Try Out in Bologna

Bologna, the Italian city home to the world’s oldest university, is traditionally famous for its food and drink—and it has some stellar specialty cafés. BY TANYA NANETTI SENIOR ONLINE CORRESPONDENT Featured photo by Annie Spratt via Unsplash Bologna is home to the oldest university in the world and is the unofficial “capital“ of the porticos […]


10 Minutes With Helena Oliviero: Part One

We talk with coffee champion and Q Grader Helena Oliveriero about her career, her life in Colombia, and what it means to be a young woman in the male-dominated coffee world.   BY TANYA NANETTISENIOR ONLINE CORRESPONDENT Featured photo courtesy of Helena Oliviero Helena Oliviero, originally from Tuscany, Italy, is 28 years old, but already she […]


Understanding the Process: Carbonic Maceration

Continuing our series on coffee processing, we learn about carbonic maceration—a unique, newer processing method. BY TANYA NANETTISENIOR ONLINE CORRESPONDENT Photos courtesy of Cafe Imports Editor’s note: Check out more entries in our “Understanding the Process“ series here. The rise of the specialty-coffee scene has helped many people understand that talking about coffee as something […]

7 Best Dual Boiler Espresso Machines

Joven and Atucún Join Forces to Empower Young Farmers

The two brands have collaborated to create a unique coffee bar and support young farmers in the coffee and cacao industries. BY VASILEIA FANARIOTISENIOR ONLINE CORRESPONDENT Photos courtesy of Joven Coffee  For their first-of-its-kind bar, Joven Coffee and Atucún Chocolateria combined coffee beans, extracted cocoa butter, and organic cane sugar. Committed to supporting young farmers […]


Bypass coffee brewing: How can it improve extraction?

There is a lot of science to brewing coffee. Whether knowingly or unknowingly, we trigger – and try to control – an almost endless number of chemical reactions to achieve the perfect extraction. To do so, we have to tweak different variables – such as grind size, temperature, and coffee-to-water ratio – to get the […]


A Look at Digital Coffee Future’s Digital Origin Education Program

The new program connects coffee producers to one another, provides them with educational resources, and more. BY VASILEIA FANARIOTISENIOR ONLINE CORRESPONDENT Photos courtesy of the Cocaerol, Comal & Amprocal cooperatives in Honduras Since 2021, Digital Coffee Future (DCF) has been working on a digital training program to address the needs of coffee producers. In September […]


Brewing at Home and On the Road with Darrin Daniel

We check in with the Cup of Excellence executive director to learn his current coffee-brewing habits. BY TANYA NANETTISENIOR ONLINE CORRESPONDENT Featured photo by Emre via Unsplash Brewing coffee is, for many coffee professionals, more than just a job.   They usually brew coffee every day, both for themselves and their customers. Perhaps they do it […]

7 Best Dual Boiler Espresso Machines

7 Best Dual Boiler Espresso Machines

minimum dose size?

Jan 31, 2024 |

I use the Hario switch to brew my coffee and am trying to reduce my caffeine consumption. Hence I would like to brew smaller cups of coffee. I am currently using 10g of coffee with 160g of water. (1:16 Ratio) I am wondering if there is a minimum amount of coffee...

7 Best Dual Boiler Espresso Machines

Are you in the market for the best dual boiler espresso machine? This round-up reviews 7 great options for a variety of budgets and needs.

7 Best Dual Boiler Espresso Machines

Perfect Little Beans

Chinmey Hill Coffee uses specialty-grade beans with zero primary defects (such as black beans or sour beans) and less than five secondary defects (such as broken beans). This is important because primary defects will greatly affect the taste of the coffee. Having zero defects allows the coffee to be the most optimal flavor.

Window for Optimal Flavor

Chimney Hill Coffee ships our coffee the same day it was roasted, so you will receive it before it enters the window of optimal flavor.  This means you’ll never miss the opportunity to enjoy the coffee’s peak flavor.

Coffee Ratings

Coffee undergoes many scoring processes by professionals who achieved their Q Grader certification. Coffee is first graded when it’s green. If there are defects the coffee is determined to be “not-specialty grade”. For those coffees that pass green grading, they are sample roasted and cupped. (Cupping is the official term for critically tasting and scoring coffees. The official cupping form is standard worldwide, and where the 100-point scoring system comes from.) A coffee’s dry fragrance, wet aroma, flavor, aftertaste, body, acidity, balance, and overall impression are taken into consideration while uniformity issues and defects, will lower the overall score.

Specialty Coffee

Specialty coffee, coined by Erna Knutsen in 1974, refers to a coffee that receives a quality grading score of 80 percent or higher. While “premium” or “gourmet” seem like they’re synonymous with “specialty,” they simply are marketing terms with no defined standards. Specialty coffees are grown in specific and ideal micro-climates, and have distinctive and unique flavor profiles, with little to no defects.

Third-Wave Coffee

We’re currently in the third wave of coffee. The first wave of American coffee put pre-ground, vacuum-sealed cans in kitchens across America. The second wave started with the late ‘60s introduction of Peet’s coffee (by Alfred Peet) through the proliferation of Starbucks. The third wave of coffee focuses on origin transparency, nuanced flavors, and artisan roasting. The term “third wave” is synonymous with specialty coffee.

7 Best Dual Boiler Espresso Machines

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