How to make
Clean and cut the onions into round slices. Arrange them at the very bottom of a glass cooking tray.
Arrange the steaks on top, season with salt and pepper.
Arrange the processed cheese on top and then place the mushrooms - cleaned and cut into thin slices.
Sprinkle with finely chopped parsley, pour on the white wine, then the melted butter.
Cover with the lid and put to bake in the oven until ready.
