A peaberry coffee bean results from a coffee cherry (fruit) producing just one relatively round (football-shaped) seed (bean) as opposed to the usual two half-beans which are roundish on one side and flat on the other side.
Sorting and Grading of Peaberry Coffee
From one to nine percent of any crop are peaberry, and they are said to have a higher density and more concentrated, robust flavor, rich aroma and with a distinct acidity – brighter yet lighter – than non-peaberry coffee beans from the same crop.
Characteristics of Peaberry Coffee – “Champagne” of Coffee Beans
Peaberry coffee beans, which are also called caracol coffee beans or caracolillo coffee beans, are considered the “champagne of coffee beans.”
Peaberry Coffee and Espresso Brewing Tips
Also check out the evolution of coffee and espresso recounted in detail in our World’s Best History of Coffee.