Peel and boil the potatoes in salted water until tender. Chop and fry the onion in vegetable oil until soft.
Then add the minced meat, season a little and fry until tender.
Knead the mashed potatoes.
Grease a baking dish with butter and put half of the potatoes. Then comes the stuffing.
Put the rest of the potatoes evenly and spread with sour cream.
Sprinkle with cheese and put in the oven for 40 minutes at 180 degrees.
Potato casserole with minced meat is ready, serve hot.