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6
Easy
Published 2012
When they are in season, you can use wild mushrooms for this rich dish, cèpes or pleurottes – ceps or oyster mushrooms (or morel would be even better) – in which case you will not need the dried cep powder which is there to add a more powerful flavour to the cultivated mushrooms.
Heat the oven to 200°C. Liberally coat a gratin dish with half the butter, and rub with the cut surface of the clove of garlic.
Arrange half the potatoes over the bottom of the dish, season with salt and pepper and anoint with
Cover with the sliced mushrooms a