Tasting

Cupping Crust Breaking

Cupping crust breaking is a sensory evaluation technique where the layer of coffee grounds floating on the surface of a cupping bowl is stirred to release trapped aromatics for olfactory assessment.

Cupping crust breaking is a critical step in the standardized cupping protocol used by professionals to evaluate coffee quality. After the coffee has been ground and hot water has been added to the cupping bowl, a 'crust' of coffee grounds forms on the surface. This crust traps the volatile aromatic compounds that are essential for assessing the coffee's fragrance and aroma.

To perform the break, the cupper uses a spoon to gently push the crust away from the surface, stirring it three times while leaning in close to inhale the released steam. This is the moment when the coffee's true aromatic potential is revealed. The cupper is looking for intensity, clarity, and the presence of any defects, such as mustiness or fermentation issues. It is a highly sensory-focused moment that requires concentration and a trained nose.

Following the break, the cupper uses the spoon to skim off the remaining grounds and foam from the surface, ensuring that the liquid is clean for the subsequent tasting phase. This step is vital because any remaining grounds can continue to extract and alter the flavor of the coffee, potentially leading to an inaccurate assessment. The entire process is designed to be uniform, allowing cuppers to compare different coffees on a level playing field.

For the coffee professional, the crust break is often the most exciting part of the cupping session. It is where the first real impression of the coffee's character is formed. Whether it is a floral Ethiopian coffee or a nutty Brazilian, the aromatics released during the break provide a roadmap for what to expect when the coffee is finally tasted.

In practice, cupping crust breaking is a skill that improves with experience. It requires a steady hand and a keen sense of smell. If you are interested in learning how to cup coffee, practicing the break is one of the best ways to start developing your palate and understanding the nuances of coffee aroma.

Sources
  • · https://sca.coffee