Why does a green ring form on the yellow of the hard-boiled egg? (And how to get rid of it?)

12 minutes to…

 

the egg yolks were completely solidified and dry

    Quick cooling.
    Transfer the eggs to a bowl full of je. The ice bath establishes the cooking process and traditionalizes the formation of a greenish ring. 

     
    Easy cleaning.
    After soaking the eggs in ice water for 5 minutes, break their shells and peel them under running water. This makes cleaning easier, especially

    for slightly older eggs.

More tips for the perfect hard-boiled egg:
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