1. Scrub the potatoes well and dry them

2. Bake the potatoes in the preheated oven for about 1 and 1/4hours until just tender

3. Let the potatoes cool slightly then split them

4. Scoop the potato flesh into a bowl

5. Turn on the grill to medium heat

6. Melt 25g of butter in a large deep frying pan

7. Add the onions and fry them until they are lightly golden brown

8. Add the remaining butter and let it melt

9. Add the potato flesh to the butter

10. Season to taste with salt, pepper and nutmeg

11. Sprinkle half the chopped chives into the pan

12. Stir the potatoes once or twice over moderate heat

13. Smooth the surface level by pressing down on the potatoes so that they form a cake

14. Cook over moderate heat for about 4minutes

15. Dot the surface of the galette with the remaining butter

16. Place the pan under the preheated grill

17. Cook until the top of the potato forms a golden crust

18. Carefully slide the galette onto a warm serving plate

19. Garnish by sprinkling the remaining chives over the galette

20. Cut the galette into wedges and serve

List of ingredients required:

(serves 8 people)

6 medium baking potatoes
4 oz (115g) butter
3 medium onions, thinly sliced
Salt and freshly ground pepper
Ground nutmeg
3 level tablespoons chopped chives

The oven should be preheated to a temperature of 375F (190C)