INGREDIENTS:
200 ml whipped cream
1 egg
nutmeg
800 g Roseval potatoes
1 clove of garlic
1 tbsp butter
50 g grated Gruyère cheese
salt and pepper
Additional required:
Skillet with lid*
Briquettes
Preparation method:
Whisk together the cream, egg, salt, pepper, and nutmeg in a bowl. Rub the inside of a skillet with the garlic clove and grease it with butter. Slice the potatoes and arrange them in the skillet, overlapping them, then pour the cream mixture over them. Sprinkle with the grated cheese.
Place 6 briquettes under the skillet and 10 briquettes on a lid that fits over the skillet. Cook for 45 minutes, or until the potatoes are tender and the cheese is melted and golden brown.

* Want to know which skillet fits which lid? Then check this blog .