Prick each Hungarian carefully and thoroughly with a fork.

Take a deep pan and put in the bottom a layer of potatoes sliced 1 cm that, above this layer is put another layer of the sausage Hungarian, over this a layer of thinly sliced ​​onions.

Sprinkle with good grated Parmesan cheese.

Repeat the layers: sliced ​​potatoes, Hungarian sausage, onions and sprinkled with cheese, to the end with the end of the sausage Hungarian.

Put in a pot of cream and enough milk to 2 / 3 to reach the level occupied by the solid ingredients in the pan.

Cover and bring to a boil, if the potatoes are cooked the dish is ready.

Season.