Today, special fermented coffees are the new trend in the world of specialty coffee. Traditionally, the taste of over-fermented coffee has been considered a serious taste defect and can ruin the quality of the coffee and significantly damage the reputation of the producer.

Decaf coffee is often dismissed by specialty coffee roasters as an uncool coffee category. The consumption of decaffeinated coffee beans has been steady over the past 10 years. On average, decaf coffee is about 15% of overall coffee consumption and it appears that specifically, millennials have taken a growing interest in enjoying decaf coffee beverages.

The chemistry of coffee roasting has always fascinated me. We should consider the roasting process as a fundamental stage in a coffee’s journey from seed to cup. It unlocks the potential of the green coffee beans by creating hundreds of aromatic compounds. It also makes the beans brittle and porous enough to prepare the coffee for grinding and brewing.

Like so many coffee producers worldwide, Gesha Village has been experimenting with various controlled fermentation and special process protocols, like anaerobic fermentation and carbonic maceration. Willem Boot recently enjoyed multiple days cupping new harvest coffees produced by Gesha Village Estate at their coffee laboratory in Addis Ababa.

In this column Willem Boot talks about his plantation in Finca La Cabra. Which beans he grows and how he uses his Giesen Sample roaster.

Creating a balanced and intriguing coffee blend can be very challenging and requires ample planning, persistence, and patience. Read all about it in Willem’s column!

This webinar, it’s all about the Colombian coffee roasting culture. Willem pays a visit to Jaime Duque in Colombia. During this webinar, he shows Willem around in his coffee quality institute. Willem and Jaime talk about Colombian coffee and Jaime will also perform a roast on his Giesen W1A.

The 2021 World Barista Championship featured an unprecedented array of exotic coffee types. For example the Eugenioides beans.

Today’s topic specifically focused on the Giesen Profiler. We will discuss some features and also go over some of the triggers and events in the software. In my opinion, it’s the very best roasting software out there.

Willem Boot shares his experiences on roasting coffee using Giesen Profiler software. Read all about it here!

This webinar #18 is about calculating the carbon footprint of your coffee company. Whether you are a retailer, producer, exporter, or roaster. I think understanding how to go about calculating this carbon footprint is key.

Calculating your coffee company’s carbon footprint is a priority for basically all actors in the coffee value chain.

Last webinar #17 focused on how to successfully roast dark. Willem talked about the legacy of Alfred Peet, dark roast profiles, structural changes with roasting dark and more. We wrote a summary of it.

Willem Boot shares his experiences on roasting coffee with the legendary coffee guru Alfred Peet. Read all about it here!

Webinar #16 focused on roasting trends for the future. Willem, Marc Weber, and Jaime Duque (Coffee Quality Institute) talked about it.

Coffee producers roasting their own coffee is becoming one of the hottest roasting trends in the industry. Let’s discuss more trends.

Last webinar #15 focused on troubleshooting roast profiles. They talked about things you can look at before, during, and after roasting.

One of the questions asked is how to design a roasting profile from scratch. I’d like to provide you with some practical roast tips.

Espresso is a brewing style and there are some specific perimeters for roasting to consider. We’ll discuss them today!

Willem Boot’s Roasting Essentials: Fires in coffee roasteries are unfortunate events. Willem shares his knowledge on how to prevent them.

Espresso is a brewing style and there are some specific perimeters for roasting to consider. We’ll discuss them today!

Willem Boot’s Roasting Essentials: Learn about how you can roast lighter coffee on a consistent basis. Willem shares tips and his personal experiences.

Espresso is a brewing style and there are some specific perimeters for roasting to consider. We’ll discuss them today!

Willem Boot’s Roasting Essentials: Learn about the unique features and advantages a Giesen sample roaster can give you.

Willem Boot’s Roasting Essentials: Learn about how you roast coffee for espresso in particular. Willem shares his knowledge and experience for you to implement in your coffee activities.

Willem Boot’s Roasting Essentials: Learn about how you manage roasting even if you don’t have access to sophisticating software. Some milestones can help you with understanding the roast. This way, you can build a roast profile from scratch.

It’s important you know how to build roast profiles from scratch and how to strategize the development of your roast profile.

Willem Boot’s Roasting Essentials: Learn about the most common roasting defects, and strategies how to prevent them.

Besides relying on your powerful roasting software, it’s very important you take a look at what kind of beans you have. This way, you can strategize the

Willem Boot’s Roasting Essentials: Learn about the airflow setting on Giesen machines and how this feature can be of great importance when finding that perfect roast.

Introducing Aharon Coffee, a stylish, quality-minded and joyful coffee roasting café in the heart of Beverly Hills in sunny Southern California.

Willem Boot’s Roasting Essentials: Learn about air pressure profiling on Giesen machines and how this feature can be of great importance when finding that perfect roast.

Willem Boot’s Roasting Essentials: Learn about the airflow setting on Giesen machines and how this feature can be of great importance when finding that perfect roast.

Willem Boot’s Roasting Essentials: Some of the more sophisticated features of the Giesen coffee roasting technology are the options to adjust drum speed and air pressure. We discuss this feature in this blog.

Willem Boot’s Roasting Essentials: One of the more interesting experiments you can do when roasting coffee is applying the Heat Soak and Heat Shock technique. In this blog, we talk about the procedure you can follow to implement this technique in your roast, and which advantages it may give you.

Willem Boot’s Roasting Essentials: With all Giesen machines, there are four options for profiling: Set-temperature, Burner-controller, Air-pressure, and Drumspeed. In this blog, we discuss the first basic option; the Temperature Setpoint option, which allows you to manage the air temperature of the roasting machine.