First, bring a large pot of water to a boil. The quail eggs should have enough space in it without bumping into each other while boiling.
Place the room-warm quail eggs in the boiling water and cook for about 4 minutes.
Then rinse the hard-boiled quail eggs in ice water and then let them cool completely.
Cut the shell and skin of the quail eggs with a sharp knife and peel the eggs.