This site uses only a few technical cookies necessary for its operation. By continuing to browse, you accept their use.
To find out more...
To find out more...
How to cook hard-boiled eggs properly (Slideshow version)
Stage 2/14 :
2) Because in the bottom part of the egg, the broader end, there is an air pocket (in red on the diagram), and when cooking this air expands and eventually breaks the shell.You will notice that the older the egg is, the bigger the air pocket, so the risk of the shell breaking is greater with an old egg than a fresh one.