Cut the meat into thin slices.
Cut the onion into half rings.
In a bowl, mix mayonnaise, sour cream, garlic passed through a press, paprika, pepper, a little cheese grated and finely chopped dill. Mix well.
Put half the meat on the bottom of the baking dish, salt a little and cover with half the cooked sauce.
Sprinkle half the onion on top.
Repeat the layer of meat, then the sauce and onions. Then sprinkle grated cheese on top. Bake at 200 C for 35 minutes.