10g 1/4 oz butter/margarine, plus extra for greasing.
675g 1lb 8oz baking potatoes.
3 onions thinly sliced.
salt and black pepper.
1 tsp freshly grated nutmeg.
450ml 3/4 pint single cream.
2. Arrange the potatoes and onions in alternate layers in the dish, lightly seasoning each layer with salt pepper and nutmeg. Finish with a potato layer, then pour the cream and dot with butter/margarine. Place on lower shelf of the oven and bake for 1 hour until golden brown.
The cream slowly seeps into the layers of thinly sliced potato and onion in this wonderfully rich French gratin. Treat your friends to it on a special occasion.