What’s in a cup of coffee?
Tasting coffee to understand its flavors and aroma is called “cupping.” At the most basic level, cupping coffee involves putting 2 tablespoons of ground coffee in a 6 oz cup, pouring hot water directly over the sample, and then tasting it. There’s no filtration in cupping. Coffee should be roasted light and several samples should be compared in one cupping session. Here’s a great step-by-step guide on how to cup coffee.
Why do roasters, buyers, and growers, cup coffee? It’s a way to evaluate the merits of one coffee over another, or one roast over another. Cupping helps define a really great coffee. Coffee cuppers are like wine tasters—some have such refined palates they can detect blueberry flavors, cherry notes, anise, molasses, baked apricot, blackberry jam, and other flavors in coffees. As a novice cupper, this kind of specificity intimidates me. I have to take a deep breath and remind myself that, yes, great coffee can be just as complex and exciting as wine, but its basic attributes aren’t hard to understand.
1) Aroma: Most of our sense of taste comes from smell. This is aroma.
2) Acidity: It’s not a bad thing. Actually, it’s pretty good. A good level of acidity in coffee is kind of like the acidity in red wine, or that charged feeling on your tongue when you eat a section of tangerine. Some coffees are called “bright,” which means they have a kick, or a bit of fruity acidity. The darker the roast, the more you lose acidity. Also, espresso is a very concentrated drink, so most roasters and coffee drinkers don’t want a lot of acidity in their shots.
3) Body: This is acidity’s friend and opposite. Usually, the more body a coffee has, the less acidity. What is body? Basically, it’s a coffee’s fat content. It’s the viscosity. What the heck does all this mean? Just how the coffee feels in your mouth. Does it have the thickness of water, or of milk, or of heavy cream?
4) Sweetness: This speaks for itself.
5) Clean cup: Does the coffee taste muddy, dusty, or dirty? Are there any negative flavors that block your perception of how the coffee should taste?
6) Aftertaste: What lingers in your mouth? Professional coffee cuppers spit out their sample after tasting it. What stays after the coffee goes away? Does it linger? Or is it short? Is it a good taste (like chocolate or smoke) or a bad one (like medicine)?
7) Flavor: This is the subjective category. What does the coffee taste like? How do you know? Everyone has different flavor references—what does sour taste like? Salt? Sweet? The more you taste throughout your life, the more you remember that taste and sour it, the more references you have to look back to. So maybe a coffee tastes like the pecan pie you ate as a child, with that molasses-like sweetness? Maybe it has kick to it, and that kick reminds you of a jolly rancher candy? Or maybe it has a weird, bad taste, like sucking on an aspirin? All these flavors are subjective and depend on references unique to the taster. After talking to a few professional cuppers, they’ve told me the best practice for training your taste buds is, simply, eating and drinking a variety of things, and filing away those flavor references in your memory. When you cup coffee, your personal library of flavor references will come in handy.
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