As a root vegetable, turnips work very well mashed. Simply boil in salted water and, once tender, drain and mash with butter and whole milk. Season to taste and serve. This is perfect on a cottage pie.
A simple side of turnips
Cut turnips into wedges and toss in olive oil. Arrange them on an oven tray, season well and sprinkle with grated Parmesan. Bake in a hot oven for 30 minutes and serve immediately.