BonAchat 25.2*3.5cm Stainless Steel Egg Cracker/Topper - Smart Kitchen Tool To Neatly Cut The Top Off Of Soft or Hard Boiled Eggs - Perfect Cut - Stylish And Smart - Suitable For All Eggs From Medium To Large First, cook your egg for 3,50 minutes in boiling water, Once your egg is perfectly soft-boiled, Simply place your soft-boiled egg in an egg cup, Place the egg topper over the narrowest part of the egg, Lift the ball to the top, and let the ball go down to crack the egg shell and remove it.