1. Slice the fillets. Put it in a mold, which is covered with foil and lubricate with vegetable oil.
2. Slice the potatoes and place them with the meat.
3. Add salt and ground black pepper, mayonnaise.
4. Mix everything well. Place in a preheated 190-degree oven for 55 minutes.
5. Then grate the cheese hard. Send another dish to the oven for 5 minutes.