Cut the meat into cubes for kebabs and sprinkle with salt, parsley, finely chopped onion and pepper. Add chopped peppers, crushed cumin, mustard and stir well. Allow to cool for 5-6 hours. Meat and the butter is distributed in 4 pots and bake topped. Prepare topping by 1 beaten egg for every pot and a little before removing from the oven are covered with it, sprinkle with grated cheese and pepper to taste. Bake without the lid until ready.