Boil the macaroni until semi-cooked. Beat the eggs with the sugar. Pour in the warm milk and stir. Pour the macaroni in a tray.
Add the crumbled feta cheese and stir again. Arrange pieces of butter and pour on the egg mixture.
Put in the oven at 392°F (200 °C) for about 30-35 min. or until reddened.
Leave to cool. Sprinkle with sugar and serve sliced into squares.