Into a saucepan add the water, the sugar, the salt and the butter, stir very well until the butter melts. Add the milk powder and stir until combined.
Add the corn flakes and stir until it gains consistency and a mixture is formed.
Transfer all this mixture to a round bowl and press down on it to remove all the air bubbles and make it compact.
Then flip the bowl onto a serving plate and let it cool for 15 minutes.
Serve.