Boil the potatoes in a saucepan with water and salt.
The crush to make puree (in a blender or a fork).
Put them in a bowl.
Place cabbage in a pot of boiling water and Scald for 2-3 minutes.
The strain and add to bowl with the puree.
Together they add parsley, onion, egg, salt and pepper.
Stir well until all ingredients come together and cover a baking pan with half the mixture, taking care to cover and edges of pan.
Prepare the filling by placing a pan of olive oil, bacon, onion and garlic until golden.
Add the mushrooms and cook for 5 minutes to bake, sprinkle with flour, stirring and then slowly pour the milk.
Lets get 2 boiled until it thickens.
Pour the filling into the pan and cover with the other half a mixture of cabbage, potatoes.
Put the pan in the oven for about 33 minutes until golden brown.