The process of making an infusion of water and roasted, ground coffee. In the most basic sense, hot water is added to coffee ground to produce a drink. Some brewing methods (espressoA small coffee beverage, about 20 ml, prepared on an espresso machine where pressurized hot water extracted through compressed coffee.: In its most stripped-down, basic form, this is..., turkish coffeeA strong preparation of coffee, finely ground, and often prepared in an Ibrik over a heat source like a gas stove. Traditionally it was placed in hot sands...) produce a dense concentrate while other methods (filter drip, vacuum pot) produce a cleaner, more refined cup.
Coffee brewing methods have changed much over time and are likely to continue to do so, but the basic principle of using water as a solvent to extract desirable flavor and caffeineAn alkaloidal compound that has a physiological effect on humans, and a bittering taste. It is found throughout the coffee plant but is more concentrated in the seed... from roasted coffee remains a constant.