how long do you cook a boiled egg?
Place eggs in a large saucepan. Cover them with cool water by 1 inch. Slowly bring water to a boil over medium heat; when the water has reached a boil, cover and remove from heat. Let sit 12 minutes. Transfer eggs to a colander; place under cool running water to stop the cooking. Eggs can be peeled and served immediately. Simple Tips on How to Peel a Hard-Boiled Egg.