The present invention proposes a system for preparing a beverage from a food substance contained in a single-use capsule (1) by injection of a liquid into the capsule (1), said system comprises a device (50) having at least one enclosing member (13a, 13b) connected to a closing mechanism (21) for selectively enclosing said capsule (1) in a receiving chamber (16) of the device (50), said device further comprising a pump (70) for supplying liquid to the capsule (1), opening means (15,16) for opening a first inlet face (3a) and a second outlet face (3b) of the capsule (1), and a control unit (80) for controlling at least the pump (70) of the device, wherein the opening means (15,16) are arranged to supply a liquid received from the pump (70) to the inside of the capsule (1), wherein the capsule (1) further comprises a rigid body (2) and a recessed section (4) formed as an integral part of the body (2), and wherein said recessed section (4) is formed at the inlet face (3a) of the capsule (1) and comprises a plurality of perforations (6a, 6b).