Like to play in the kitchen? Try this cylindrical hard-boiled egg!
First, boil a cylindrical glass container and separate the yolks from the whites.
Pour the whites into the boiling cylinder and wait 25 minutes for them to set.
Take a hollow tube and make a hole in the center where you pour the beaten egg yolks.
Let it cook and you will have in your hands this curious cylindrical hard-boiled egg!