Preheat the oven to 200ºC/Fan 180ºC/400ºF/ Gas Mark 6. Place the potatoes, onion, garlic and oil in a large roasting tray or dish. Toss together and season with salt and freshly ground black pepper. Bake for 15 minutes.
Remove from the oven, then stir in the Bramley slices and lay the pork steaks on top. Season and sprinkle over
the sage and then return to the oven and bake for a further 20 minutes or until the pork is golden and the Bramleys and vegetables are tender.