A fryer comprising: a cooking chamber including a plurality of side walls connected to and extending upwardly from a bottom wall , the plurality of side walls and the bottom wall collectively surrounding an interior configured to receive a cooking medium; a washing element coupled to the bottom wall of the cooking chamber, the washing element comprising: a lower portion including a passage that is fluidically coupled to a fill port and configured to receive the cooking medium; an upper portion extending above the bottom wall of the cooking chamber and including a plurality of spray jet nozzles (424a-g) fluidically coupled to the passage , the plurality of spray jet nozzles (424a-g) being separated at predetermined angles relative to one another around a periphery of the upper portion of the washing element to orient the plurality of spray jet nozzles (424a-g) so as to spray a plurality of pressurized streams of the cooking medium to predetermined areas of the cooking chamber , the predetermined areas including at least one corner (444a-d) of the cooking chamber ; and a cover coupled to the upper portion , the cover directing the cooking medium into the plurality of spray jet nozzles (424a-g), wherein the cover is removably coupled to the upper portion of the washing element using at least one fastener . a cooking chamber including a plurality of side walls connected to and extending upwardly from a bottom wall , the plurality of side walls and the bottom wall collectively surrounding an interior configured to receive a cooking medium; a washing element coupled to the bottom wall of the cooking chamber, the washing element comprising: a lower portion including a passage that is fluidically coupled to a fill port and configured to receive the cooking medium; an upper portion extending above the bottom wall of the cooking chamber and including a plurality of spray jet nozzles (424a-g) fluidically coupled to the passage , the plurality of spray jet nozzles (424a-g) being separated at predetermined angles relative to one another around a periphery of the upper portion of the washing element to orient the plurality of spray jet nozzles (424a-g) so as to spray a plurality of pressurized streams of the cooking medium to predetermined areas of the cooking chamber , the predetermined areas including at least one corner (444a-d) of the cooking chamber ; and a cover coupled to the upper portion , the cover directing the cooking medium into the plurality of spray jet nozzles (424a-g), wherein the cover is removably coupled to the upper portion of the washing element using at least one fastener . a lower portion including a passage that is fluidically coupled to a fill port and configured to receive the cooking medium; an upper portion extending above the bottom wall of the cooking chamber and including a plurality of spray jet nozzles (424a-g) fluidically coupled to the passage , the plurality of spray jet nozzles (424a-g) being separated at predetermined angles relative to one another around a periphery of the upper portion of the washing element to orient the plurality of spray jet nozzles (424a-g) so as to spray a plurality of pressurized streams of the cooking medium to predetermined areas of the cooking chamber , the predetermined areas including at least one corner (444a-d) of the cooking chamber ; and a cover coupled to the upper portion , the cover directing the cooking medium into the plurality of spray jet nozzles (424a-g), wherein the cover is removably coupled to the upper portion of the washing element using at least one fastener . <EOS>