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How to Hard Boil an Egg

by Jan Mh on March 17, 2015

How to Hard Boil an Egg

Here's a fool-proof, reliable way to hard boil eggs.

At a Glance: Hard-Boiling Eggs

  1. Discard eggs that float in salt water.
  2. Cover eggs with cold water, 1 inch / 3 cm above the eggs.
  3. Add a pinch of salt.
  4. Cover and bring to a boil over high heat.
  5. Turn off heat and wait 10–15 minutes.
  6. Run under cold water and refrigerate.


  1. Hard Boil an Egg Step 1.jpg
    - Watch a 10 second video
    Sort the eggs. Place them in a bowl of salt water—if the egg sinks to the bottom it means it is fresh; if it floats at the top, get rid of it. Place the fresh eggs gently in an empty pot. Be sure to do so one by one to avoid breaking the egg. Similarly, do not place more than four layers of eggs in the pot.[1]
    • To prevent cracking of the eggs, place a folded cheesecloth on the bottom of a pot (on a table, not a hot stove.)
    • If you accidentally crack an egg, add salt and/or vinegar to the water. This may help the proteins in the egg white coagulate faster, thus plugging the cracks in the shell.
  2. Hard Boil an Egg Step 2.jpg
    - Watch a 10 second video