Boiling eggs to perfection takes a lot of practice. While just filling a pot with water and eggs and turning on the cooker is easy, eggs often come out overcooked, and the yolks have that ugly green ring around the outside, indicating that the egg is overcooked. One of the easiest ways to cook hard-boiled eggs to perfection is to invest in an egg cooker. An egg cooker is a small appliance that allows you to cook eggs in a variety of ways, including hard boiled for salads, poached for eggs benedict, or scrambled. The best part is that the whole process is hands-free, allowing you to focus on something else in the kitchen. This is extremely useful for busy parents who want to give themselves and their children a nutritious breakfast or snack, but don't want to stand over a cooker. The appliance is also good for those who may not have a full kitchen in their home or may not want to cook a complicated meal for themselves.