Abstract: An organic waste composter (10) comprising a processing vessel (14) having at least one heating unit, a stirring mechanism, a means (46) for injection of air for composting waste, a waste inlet hatch (18), a waste input receptacle (19), a rotating auger (20) arranged to receive waste from said waste input receptacle (19), to cut said waste and to transport said waste to a first end of said processing vessel, and a heating unit (38) located proximal to a second end of said vessel (14). Said rotating auger (20) is operatively connected to a control unit (53) arranged to activate said rotating auger (20) periodically during a rotation period extending at least 15 seconds and being shorter than 10 minutes every 60 minutes.