A decorative image for Tamper

Tamper is a crucial tool in the coffee industry, used to ensure the perfect extraction of flavors from coffee beans. It is a small, handheld device that is used to evenly distribute and compress the ground coffee inside the portafilter of an espresso machine. This process, known as tamping, helps to create a consistent and uniform density of coffee grounds, which is essential for achieving a balanced and flavorful espresso shot.

Commonly made of stainless steel or aluminum, tampers come in different sizes and shapes to suit various portafilter sizes and personal preferences. The bottom of the tamper, known as the base or the flat disc, is usually slightly larger than the diameter of the portafilter basket. This allows the barista to apply even pressure on the coffee grounds, ensuring that the water flows through the grounds at an optimum rate, resulting in a rich and aromatic espresso shot.

Using a tamper correctly requires skill and precision. Baristas need to apply the right amount of pressure to achieve the desired outcome. Tamping too lightly can result in under-extraction, leading to weak and sour-tasting coffee. On the other hand, tamping too hard can lead to over-extraction, resulting in a bitter and unpleasant flavor. By mastering the art of tamping, baristas can consistently produce high-quality espresso shots that showcase the full potential of the coffee beans.