Purple Potato and Goat Cheese Gratin

Preheat oven to 200 C / Gas 6.

Place bacon in a large, deep frying pan. Cook over medium high heat until it starts to brown. Stir in leeks and cook until just tender.

Toss potatoes with flour and stir into leek mixture, coating thoroughly. Pour in milk and stir in goat cheese. Cook until cheese is melted and mixture is bubbly. Pour into a 28x18cm or similar sized baking dish and sprinkle with Parmesan cheese.

Bake in preheated oven for 45 minutes or until top is golden brown and potatoes are tender.