Second, it's more work to control the doneness this way. You'll need to open the oven frequently to check the steak with a thermometer, which lets out heat and slows cooking. And finally ...

James Martin shows how to cook the perfect rump steak, worthy of a top-end restaurant, without having to leave the house. Preheat the oven to 200C/180C Fan/Gas 6. Place the potato in a saucepan of ...