A single-use capsule for preparing a food liquid from a food substance contained therein. The capsule has an upper wall, a lower wall, and a side wall connecting the upper and lower walls, wherein the walls form an enclosure that contains the food substance. The capsule also has a sealed interface connecting the upper and lower walls and a liquid collecting cavity located between the side wall and sealed interface. The sealed interface is configured to open under a predetermined fluid pressure in the capsule to allow the food liquid to leave the capsule. Also, a method for preparing a food liquid from the capsule by passing water through the food substance using centrifugal forces for producing the food liquid.