jamie oliver's bubble and squeakrating:
300gr / 11oz swede. peeled and diced
300gr / 11oz carrots, peeled and diced
600gr / 1lb 6oz potatoes, peeled and diced
100gr / 3 1/2oz butter
400gr / 14oz Brussels sprouts or Savoy cabbage, finely chopped
In a large pan bring some salted water to the boil and cook the swede for 10 minutes. Add the carrot and potatoes to the pan and continue to cook until they are all tender, then drain. Allow the veg to steam off some of their moisture before mashing them all together.
Heat the butter in a non-stick pan and fry the sprouts or cabbage for 3 minutes. Add the mashed veg, pat together, season to taste and fry, stirring every minute, until golden brown.