The instant application describes a programmable apparatus for making coffee that includes a hopper for holding coffee beans; a grinding element for receiving the coffee beans and grinding them to produce ground coffee; and a brewing chamber for receiving programmable quantities of ground coffee and combining the ground coffee with quantities of hot, pressurized water. The programmable apparatus for making coffee also includes a piston for compressing the ground coffee, the piston being arranged to enter the brewing chamber at an open end thereof; an o-ring fitted to the outside of the piston so as to maintain a pressure-tight seal against the wall of the brewing chamber; and a programming element for selectively determining a quantity C of ground coffee to be combined with a quantity W of water in the brewing chamber, the brewing chamber being capable of accommodating more than 14 grams of ground coffee.