Boil the potatoes and mash into a puree with milk, butter and eggs. Season with salt and pepper. Cut mushrooms, fry with onions, salt and pepper. Dill finely chop and split into two parts. The form, which will bake, brush with vegetable oil (you can add 1 grated garlic clove). Spread mashed potatoes, sprinkle with one part greens and top with grate cheese, sprinkle the second part of the dill, put sauteed mushrooms, grate cheese, top the cheese grate frozen butter.

Remove the form in a heated oven to 180 gr. for 30 minutes. All! Bon appetit!!!