Clean the mushrooms and cut them in half. Dab meat dry. Heat 1 tablespoon of oil in a coated pan. Fry the potato noodles in it for about 5 minutes and take them out. Add 2 tbsp. oil to the pan.
Brown the meat on each side for about 4 minutes, remove from the pan. Put the mushrooms into the hot pan and fry them all around for about 5 minutes. Dust with flour and sauté briefly. Add cream and stock and simmer for about 5 minutes, season with a little salt and pepper.
Wash the chives, shake dry and cut into small rolls. Stir approx. 2/3 chives into the sauce. Grate cheese. Put the potato noodles and sliced pork in an ovenproof dish. Spread mushroom sauce on top and sprinkle with cheese.
Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for about 20 minutes until golden brown. Remove from the oven and sprinkle with chives.