1- Cook the potatoes in salted water with their skins on.
2- After 20 to 25 minutes, test them with a knife, drain them and peel them as quickly as possible then pass them through a large saucepan using a vegetable mill with fine grating.
3- Using a spatula add the butter, then the cream, salt and pepper and add a hint of garlic.
4- Then pour in your tome and with a spatula stir until it becomes stringy when lifted, then turn off the heat and mix it with your walnuts.
Serve of course with Auvergne sausage cut with a knife but also for example with beautiful pan-fried scallops or langoustine tails.
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