System for preparing a predetermined quantity of beverage suitable for consumption, comprising: an exchangeable capsule comprising a circumferential wall, a bottom closing the circumferential wall at a first end, and a lid closing the circumferential wall at a second end opposite the bottom, wherein the wall, the bottom and the lid enclose an inner space comprising a beverage ingredient for preparing the beverage, wherein the bottom comprises an entrance area for supplying fluid to the beverage ingredient, wherein the lid comprises an exit area for draining beverage from the capsule, wherein the beverage ingredient is a soluble substance; and an apparatus comprising a receptacle for holding the exchangeable capsule, and a fluid dispensing device for supplying an amount of fluid, such as water, under pressure to the exchangeable capsule via an entrance area of the capsule, wherein an exit area of the capsule is adapted to cooperate with an outlet of the receptacle to drain the beverage from the capsule into a container, wherein the receptacle comprises lid piercing means intended for piercing an exit area of a hermetically sealed capsule when the exit area sufficiently presses against the lid piercing means under the influence of the pressure of the fluid and/or beverage in the capsule for creating at least one exit opening through which the beverage can drain, wherein the exit area of the capsule comprises an exit filter that is adapted to substantially prevent non- dissolved soluble substance from leaving the capsule, and characterized in that the exit filter is formed by a perforate flexible foil layer provided with a plurality of exit openings and being arranged to have a tear strength such that in use the layer is not pierced or torn when being pressed against the lid piercing means of the apparatus and the lid stays intact. an exchangeable capsule comprising a circumferential wall, a bottom closing the circumferential wall at a first end, and a lid closing the circumferential wall at a second end opposite the bottom, wherein the wall, the bottom and the lid enclose an inner space comprising a beverage ingredient for preparing the beverage, wherein the bottom comprises an entrance area for supplying fluid to the beverage ingredient, wherein the lid comprises an exit area for draining beverage from the capsule, wherein the beverage ingredient is a soluble substance; and an apparatus comprising a receptacle for holding the exchangeable capsule, and a fluid dispensing device for supplying an amount of fluid, such as water, under pressure to the exchangeable capsule via an entrance area of the capsule, wherein an exit area of the capsule is adapted to cooperate with an outlet of the receptacle to drain the beverage from the capsule into a container, wherein the receptacle comprises lid piercing means intended for piercing an exit area of a hermetically sealed capsule when the exit area sufficiently presses against the lid piercing means under the influence of the pressure of the fluid and/or beverage in the capsule for creating at least one exit opening through which the beverage can drain, wherein the exit area of the capsule comprises an exit filter that is adapted to substantially prevent non- dissolved soluble substance from leaving the capsule, and characterized in that the exit filter is formed by a perforate flexible foil layer provided with a plurality of exit openings and being arranged to have a tear strength such that in use the layer is not pierced or torn when being pressed against the lid piercing means of the apparatus and the lid stays intact.