Heat up a large frying pan and melt the butter.Add in the onion and saute till brown. Add in the potatoes and the sausages. Add in the salt & Pepper.Set aside. Now. in a new frying pan heat butter and add in the eggs and fry them. Serve the Pytta I Panna immediately with a fried eggs on top of the potato, onion and meat mixture.Serve with rye bread and butter and enjoy this dish.