Coffee Tasting and Cupping

Coffee tasting is a skill that develops through deliberate practice. Professional quality evaluators — called Q Graders — undergo rigorous training and examination to assess coffee for commercial buyers, competitions, and origin certification. But the fundamental techniques are accessible to anyone willing to pay attention. Understanding how to taste coffee systematically changes the relationship with the beverage from passive consumption to active inquiry.

Cupping: The Industry Standard Protocol

Cupping is the standardised brewing and tasting method used throughout the coffee industry to evaluate raw lots, compare origins, train palates, and grade coffee for quality. The SCA cupping protocol is the most widely used.

Equipment: Cupping bowls (150–200 ml, standardised size), a scale, a grinder, hot water, cupping spoons, and a timer.

Preparation:

1. Grind coffee coarsely (coarser than pour-over) to approximately 8.25g per 150 ml of water, or a 1:18 ratio.
2. Add ground coffee to the bowl. Do not brew yet. Evaluate the dry aroma: lean over the bowl and inhale. Note what you smell before water contact.
3. Pour water at approximately 93°C over the grounds, filling to the standard level. Start timer.
4. At 4 minutes, break the crust: the grounds floating on the surface. Use the back of a cupping spoon, push through the crust with a deliberate forward stroke. Smell the release of aroma at the moment of breaking — this is often the most intense aroma in the entire evaluation.
5. Skim foam and floating grounds from the surface.
6. Wait until temperature drops to roughly 71°C (approximately 10–12 minutes total from pour), then begin tasting.

Tasting technique: Use a cupping spoon to lift 4–5 ml of liquid. Slurp it forcefully across the entire tongue surface, aiming to spray it across all taste receptors simultaneously. The slurp also vaporises the coffee into the nasal passage, producing retronasal aroma — the most informative part of the taste experience.

Sensory Dimensions

Fragrance/Aroma: Dry fragrance (grounds before water) and wet aroma (at break and during tasting). Aromatics are the most complex part of coffee evaluation — the SCAA Coffee Taster's Flavour Wheel documents over 80 distinct descriptors across 9 aroma families.

Flavour: The combined experience of taste (tongue) and retronasal aroma (nose). Describe what you experience using the flavour wheel vocabulary: floral, fruity (citrus, berry, stone fruit), sweet, nut/cocoa, spice, etc.

Acidity: Not sharpness or bitterness — acidity in coffee refers to the bright, lively quality contributed by organic acids. Citric acid (common in Ethiopian and Kenyan coffees) tastes like citrus fruit. Malic acid (common in Central American coffees) tastes like apple or pear. Tartaric acid (found in some specialty lots) has a grape quality. Good acidity adds vibrancy; bad acidity is sharp, unpleasant, and vinegary.

Body: The weight and texture of the coffee in the mouth. Full body (French press, espresso) feels heavy and coating. Light body (filtered V60 of a washed Ethiopian) feels more delicate and transparent. Body is determined by oil content, protein concentration, and the amount of suspended particles that pass through the filter.

Sweetness: The presence of sugar-derived compounds and pleasant flavour associations. In well-extracted coffee, sweetness is present without any added sugar — coming from the caramelised sugars of the roasting process and fruit sugars retained through careful processing. Sweetness is the marker of good extraction and good processing.

Aftertaste: The flavour that lingers after swallowing. Long, pleasant aftertaste is a positive attribute. Short or unpleasant aftertaste indicates extraction problems or processing defects.

Balance: Whether the components — acidity, sweetness, body, aftertaste — integrate harmoniously or whether any single element dominates unpleasantly.

The SCA Flavour Wheel

The SCA Coffee Taster's Flavour Wheel (updated in 2016 in collaboration with World Coffee Research) organises coffee flavour descriptors in a circular diagram. The centre contains broad categories (fruity, sweet, floral, nutty, cocoa, spicy, roasted, other); outer rings provide increasingly specific descriptors (citrus fruit, lemon/lime, grapefruit; or nut, almond, hazelnut, etc.). The wheel functions as a shared vocabulary — a tool for developing and communicating specific descriptive language rather than vague impressions.

Scoring

SCA-standard cupping uses a 100-point scale. Coffees scoring 80+ are classified as specialty grade; 85+ indicates excellent quality; 90+ is exceptional and rare. The score integrates ratings for: fragrance/aroma, flavour, aftertaste, acidity, body, balance, uniformity (consistency across multiple cups of the same lot), clean cup, sweetness, and overall impression.

Defects

Defects in cupping are rated separately. Primary defects (intense, obvious faults — mould, phenol, severe fermentation) are more serious than secondary defects (minor off-flavours). A single cup with a primary defect disqualifies the entire lot from specialty classification.

Calibration and Practice

Tasting the same coffee repeatedly builds the internal reference points that make descriptions meaningful. Cupping multiple coffees side by side is more informative than tasting one at a time, because contrast sharpens perception. Start by cupping coffees from distinctly different origins (Ethiopian washed vs. Sumatran wet-hulled, for example) to anchor the extremes of the sensory spectrum before working toward more subtle distinctions.