How do I compare two coffees side by side?
To compare two coffees side-by-side, brew them simultaneously using identical methods, ratios, and water. Taste them back-to-back, focusing on specific attributes like acidity, body, and sweetness. This controlled approach minimizes variables, allowing you to clearly identify the unique flavor profiles and quality differences between the two coffees without the interference of memory or changing conditions.
Side-by-side tasting, often called 'cupping' in professional circles, is the most powerful tool for developing your palate. When you drink coffee in isolation, your brain struggles to compare it to anything other than your general memory of coffee. By tasting two coffees together, you force your brain to focus on the relative differences, which makes nuances in flavor, texture, and acidity much easier to identify.
To set up a proper comparison, you must control your variables. Use the same brewing device, the same grind size, the same water temperature, and the same coffee-to-water ratio for both samples. If you are using a pour-over for one, use it for the other. If you are using a French press, do the same. The goal is to ensure that any difference you taste is due to the coffee itself, not the brewing technique.
Once brewed, let the coffees cool slightly. Temperature has a massive impact on flavor perception; as coffee cools, sweetness and body become more apparent, while acidity can become more or less intense. Taste the first coffee, then immediately taste the second. Go back and forth several times. Ask yourself: Which one has a brighter, more 'citrusy' acidity? Which one feels heavier or 'rounder' on the tongue? Which one has a cleaner finish?
Don't worry about using 'correct' terminology at first. Use whatever words come to mind—'like a green apple,' 'like dark chocolate,' 'like toast.' The act of articulating these differences is what trains your brain. Over time, you will find that you can identify specific characteristics, such as the difference between a washed-process coffee (which often tastes cleaner and more acidic) and a natural-process coffee (which often tastes fruitier and heavier).
In practice, this exercise is not just for professionals. It is a fun, eye-opening way to explore the diversity of coffee. Whether you are comparing two different roasts of the same bean or two completely different origins, side-by-side tasting will change how you view your daily cup. It turns coffee from a simple caffeine delivery system into a complex, rewarding experience that you can explore from the comfort of your own kitchen.
- · https://sca.coffee/research/sensory-science