Wash potatoes, dab dry and crosswise.
...cut in. Place in an oven dish and sprinkle with oil. With salt and.
Season with pepper. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/gas: level 3) for about 1 hour.
Clean, wash and cut the leek into rings. Peel, wash and finely chop the carrots. Clean, wash and halve the mushrooms.
Heat the fat. Steam vegetables and mushrooms for about 5 minutes. Season with salt and pepper. Dust with flour and sauté briefly. Stir in 400 ml water, cream and stock, bring to the boil. At medium heat approx.
Simmer for a few minutes. Season to taste with salt, pepper and nutmeg. Grate cheese.
Take out the potatoes and break each one in half. Spread leek and mushroom cream over them. Sprinkle cheese over it. Add potatoes.
Bake at the same temperature for another 12-15 minutes.