Cut the potatoes, carrots, mushrooms and onions sliced. Mix them and divide it into four equal parts. Cut the chicken and pork roughly equal strips on about 3 cm and also distribute into four equal parts. Take one part of the mixed vegetables and pour it into the prepared piece of aluminum foil (about 40 cm), keeping in mind that you need to stay long enough over the fthe oil for turning the mixture. On vegetables stack strips of pork and chicken. Sprinkle with salt, parsley, pepper and paprika. Spray pre-kneading olive oil and soy sauce, then stack tearing large chunks melted Cheese. Turn to the ends of fthe oil. Finally, it should provide four identical twisted with foil portions that line in the pan and bake at 220C degrees about 50 minutes - 1 hour. If you are not reached fthe oil to cover, you can put extra oil fsunflower the whole tray to prevent boiling over.