Boil the chicken in salted water. Once cool, it boned and cut it into small pieces. Then combine it with pepper (do not salt because the feta cheese and the cheese is savory). In appropriate tray melting the butter, Pour 1/3 of the meat, spread it nice in the bottom half and sprinkle with grated cheese. Top put the second 1/3 of meat on it initiate pieces of the feta cheese. Put the last meat, sprinkle with the remaining cheese and pour in beaten eggs. Bake in a hot oven until pink. Serve warm as lunch or dinner. Cool, can be served cold as an appetizer.