An apparatus for cutting vegetable slices, the apparatus comprising: an annular-shaped cutting head , a plurality of knives serially mounted around the cutting head , each knife having a cutting edge extending substantially upwardly and spaced from the cutting head to provide a gap , extending in a radial direction, between the cutting edge and the cutting head , a central impeller coaxially mounted with the cutting head for rotation about an axis within the cutting head for delivering vegetables radially outwardly form a centre of the impeller toward the cutting head , the impeller having a base with an upper surface across which vegetables are, in use, delivered to the cutting head , a cover having a vegetable supply opening fitted above the base , and a plurality of radial orientation elements serially mounted within the impeller between the base and the cover to define a plurality of cutting zones located around the impeller , each cutting zone being between adjacent orientation elements, and a water jet spray device mounted at the base of the impeller and aligned with the axis, the water jet spray device comprising a raised mound having an outer wall surrounding an inner wall defining a central depression , the outer wall extending downwardly and outwardly from an annular rim between the central depression and the outer wall , characterised in that the water jet spray device comprises a plurality of substantially radially oriented channels serially provided around the raised mound , each channel extending outwardly from a channel inlet within the central depression to a channel outlet in the outer wall . an annular-shaped cutting head , a plurality of knives serially mounted around the cutting head , each knife having a cutting edge extending substantially upwardly and spaced from the cutting head to provide a gap , extending in a radial direction, between the cutting edge and the cutting head , a central impeller coaxially mounted with the cutting head for rotation about an axis within the cutting head for delivering vegetables radially outwardly form a centre of the impeller toward the cutting head , the impeller having a base with an upper surface across which vegetables are, in use, delivered to the cutting head , a cover having a vegetable supply opening fitted above the base , and a plurality of radial orientation elements serially mounted within the impeller between the base and the cover to define a plurality of cutting zones located around the impeller , each cutting zone being between adjacent orientation elements, and a water jet spray device mounted at the base of the impeller and aligned with the axis, the water jet spray device comprising a raised mound having an outer wall surrounding an inner wall defining a central depression , the outer wall extending downwardly and outwardly from an annular rim between the central depression and the outer wall , characterised in that the water jet spray device comprises a plurality of substantially radially oriented channels serially provided around the raised mound , each channel extending outwardly from a channel inlet within the central depression to a channel outlet in the outer wall . <EOS>