As an expert sommelier and brewer, I have had the opportunity to work closely with baristas and explore the world of coffee beans. When it comes to the beans that baristas use, there is a wide range of options available. However, most coffee shops tend to gravitate towards medium-dark to dark roasts as their house espresso, and there are some valid reasons for this choice.
First and foremost, dark roasts have a distinct flavor profile that can withstand the intense process of espresso brewing. The robust and bold flavors of dark roasts tend to shine through the espresso extraction process, resulting in a more pronounced and concentrated taste. This is essential because the flavor of espresso is highly concentrated, and it needs to be able to stand up to other ingredients like milk or syrups that are often added to create specialty drinks.
Furthermore, dark roasts often exhibit a more caramelized and slightly bitter taste, which can complement the natural bitterness of espresso. This bitterness can be balanced by the sweetness of milk or sugar, creating a harmonious and well-rounded flavor profile.
Another reason why baristas prefer dark roasts is their versatility. Dark roasts can be used in a variety of brewing methods, not just espresso. They can be brewed in a French press, pour-over, or even as a drip coffee. This flexibility is crucial for coffee shops as they cater to a diverse range of customers with different preferences and brewing methods.
Additionally, dark roasts tend to have a longer shelf life compared to lighter roasts. The extended roasting process helps to stabilize the beans and preserve their freshness for a longer period. This is especially important in a commercial setting where large quantities of beans need to be stored and used over time.
However, it's important to note that not all baristas exclusively use dark roasts. Some coffee shops may offer a variety of roasts to cater to different taste preferences. Lighter roasts, for example, can bring out the fruity and floral notes of the coffee beans, which can be a delightful experience for those who enjoy a more nuanced and delicate flavor profile.
Ultimately, the choice of coffee beans for baristas depends on the specific goals and preferences of the coffee shop. It's about finding the right balance between flavor, versatility, and shelf life. The world of coffee is vast, and there are endless options to explore and experiment with. As a barista, it's exciting to delve into different roasts and beans, discovering new flavors and techniques to create the perfect cup of coffee for each individual customer.