That claim sounds a bit dramatic. Five-star hotels absolutely do cook eggs in water—just not always by aggressively boiling them. The difference is in technique, not some secret ingredient.

The Real Trick: Gentle Cooking
Top kitchens often avoid a rolling boil and instead cook eggs at a lower, controlled temperature. This method is closely related to Sous Vide, where food is cooked gently to get consistent results.
For eggs, this means:
Fewer cracks in the shell
A more tender egg white
A perfectly creamy yolk
Why Not a Hard Boil?
Boiling water at high heat can make egg whites rubbery and yolks chalky. It can also cause shells to crack from the intense movement of bubbling water.
A Simple “Hotel-Style” Method at Home
Bring water to a gentle simmer (not a rolling boil)
Carefully add eggs
Cook for:
6 minutes for soft-boiled
9–10 minutes for firmer yolks
Transfer immediately to cold water to stop cooking
Bonus Method: Steaming
Many chefs prefer steaming eggs instead of submerging them fully. Steam cooks them evenly and often makes peeling easier.
Final Thought
There’s no strict rule against boiling eggs—it’s just about control. Hotels focus on precision and texture, and you can get the same results at home by lowering the heat and cooking more gently.