Schnitzel is salting and sprinkle with pepper. Once you stay cool about 1 hour, fry lightly in the butter on both sides. Remove them and at the same butter put finely chopped mushrooms and wine. Stew until the liquid evaporates. Mushrooms are distributed over 4 patty. Top put slices of ham. Every wiener wrapped in a thick crust dough. Arrange in greased pan. Spread top with beaten egg. Bake in moderate oven about 15 minutes.