Boil and peel the potatoes. Cut them into cubes. Grate the carrots. Cut the tomato into cubes. Cut the onions into small pieces.
Mix all this in a deep bowl. Add the mushrooms, cream, parsley and spices. Mix well.
Then pour it into a greased oven dish. Grate the cheese on top. Put it to bake in a preheated oven at 329°F (165 °C) until the cheese gets grilled.