To cook lamb rump, pan fry first to render the fat and crisp the skin. Then place in a preheated oven at 200 deg C (or 392 deg F) skin side down for 4 minutes then turn over and cook for a further 2-3 minutes or until medium. Using a meat thermometer the internal temperature should reach 65 °C (149 °F). Allow to rest for 10 minutes, for the perfect piece of meat!