Boil the potatoes (unpeeled) slowly in salted water for 25 minutes. Drain and peel the potatoes still warm, mash with a food mill (with the thinnest grid) and dry lightly in the casserole without stopping for a few minutes. Add the iced butter, cheese and warm milk. Rectify the seasoning.
Boil the potatoes (unpeeled) slowly in salted water for 25 minutes. Drain and peel the potatoes still warm, mash with a food mill (with the thinnest grid) and dry lightly in the casserole without stopping for a few minutes.
Add the iced butter, cheese and warm milk. Rectify the seasoning.
