Coffee roasting is a crucial step in the process of transforming green beans into the aromatic and delicious coffee beans we know. There are different roasting methods used around the world, each with its own characteristics and results in terms of the flavor, aroma, and sensory profile of roasted coffee.

In this article, we'll explore some of the most common roasting methods and their impact on coffee.

Drum roasting or drum roaster

Drum roasting is one of the most traditional and widely used roasting methods. In this method, coffee beans are placed in a rotating drum and exposed to heat evenly. The drum rotates slowly to ensure even roasting of the beans. This method allows greater control over roasting temperature and time. , resulting in a wide range of flavor profiles, from lighter, brighter roasts to darker, deeper roasts.

Convection roasting

Convection roasting is another common method in which coffee beans are roasted in a hot air environment. In this process, hot air circulates around the beans, evenly roasting all surfaces. This method is known for producing more uniform and consistent roasts. Additionally, convection roasting allows precise control of temperature and time, allowing for the development of specific flavor profiles and repeatable results.

Convection and conduction roasting (mixed roasting)

Mixed roasting combines convection roasting and conduction roasting, taking advantage of the benefits of both methods. In this approach, coffee beans are roasted in a drum that is exposed to both hot air and direct heat from the drum. The combination of convection and conduction heat transfer results in faster roasting and greater depth of flavor compared to other methods.

Direct flame roasting

Direct flame roasting is an ancient method in which coffee beans are roasted directly over an open flame or intense heat source. This method Provides fast and powerful roasting, creating dark roasts and intense flavors However, it requires great skill and constant attention, as the risk of burning the beans is greater due to direct heat and lack of precise temperature control.

Pan-toasted or home-toasted

Pan roasting is an affordable, home-based method for those who want to roast their own coffee. In this approach, coffee beans are placed in a pan and roasted over medium-high heat while constantly stirring to ensure even roasting. While this method can not provide the same level of control and precision as other more advanced methods , can be a fun and rewarding way to experiment with coffee roasting at home.

Each roasting method has its own advantages and disadvantages, and the choice of method will depend on the roaster's personal preferences as well as the desired flavor profile. Whether it's traditional drum roasting, controlled convection roasting, or a home-style pan roast, coffee roasting is an art that allows us to discover a wide range of flavors and aromas in every cup.

Different coffee roasting methods give us the opportunity to explore and enjoy the sensorial diversity of this wonderful beverage. From the lightest and brightest roasts to the deepest and darkest roasts, each method offers a unique flavor profile that reflects the roaster's passion and dedication. Experiment with different roasting methods and discover your favorite flavor profile in roasted coffee!