Perfect in winter, this is a dish to warm your soul as well as your tastebuds. It can be prepared in one large pot and served from the centre of the table, in the best tradition of home-cooking.
Preheat oven to 180°C. Cut 6 parsnips into thick batons about 5 cm in length and set aside. Cut remaining parsnips into rounds and place in a well-buttered ovenproof dish and top with a few knobs of butter. S