corner cut off. if you don't happen to have either on hand you can fill the eggs the old fashioned way—with a spoon.
not sure how to hard boil an egg? don't worry, it's a simple, mostly hands-off process. place your eggs in a saucepan and fill it with cold water. you want the eggs to be covered by an inch or two, so don't fill the pan to the top. turn the heat on high and bring the water to a rolling boil. once the water has reached a rolling boil shut the heat off, cover the saucepan, and set a timer for 10 minutes. when the timer goes off 