A recipe from France: The Cookbook
Preparation: 20 minutes
Cooking: 1 1/2 hours
Serves: 6 people
50 g (1¾oz) (3½ tablespoons) butter, plus extra for greasing
1 kg (2¼lb) potatoes
salt and pepper
1 garlic clove (optional)
250ml (8fl oz) (1 cup) crème fraîche
Preheat the oven to 180°C/350°F/Gas Mark 4 and grease an ovenproof dish with butter.
Cut the potatoes into thin slices. Wash and pat dry in a cloth and season with salt and pepper.
Rub the prepared dish with a garlic clove, if desired.
Layer the potatoes in the dish to within 1cm (½inch) of the rim. Cover with the crème fraîche.
Dot with the butter and bake for 1½hours, or until the potatoes are tender.