All too often, however, you see a third color, a dismal layer of gray or gray-green surrounding the cooked yolk. Hard-boiled eggs are easiest to peel right after cooling, which causes the egg to contract slightly in the shell. Eggs with these color variations are safe to eat: Cloudy egg white – indicates the egg is extremely fresh. "Overcooking hard-boiled eggs results in what I call the 'Death Star Effect.' This can make a fresh egg white look more clumpy or clotted and result in a stronger membrane enclosing the yoke and make it look taller, higher, and tougher. the perfect hard boiled egg recipe from GroupRecipes.com. Hard-boiled eggs are easy to make, but they’re also incredibly easy to mess up. The same compound responsible for the distinctive "cooked egg smell" causes dark gray-green rings to form in the egg white and discolor the yolks. Break a one day old egg into one saucer, and a two week old egg into a different saucer and you can plainly see the difference. I’ve tried putting them in ice cold water right away and keeping them there for 20 minutes. A green ring on a hard-cooked yolk is a result of overcooking and is caused by sulfur and iron compounds in the egg reacting on the yolk's surface. And how embarrassing to be peeled and split open, only to reveal that your once luscious yolk is now a sickly shade of green. It is really the only time I eat eggs so I boil up a dozen and keep them in the refrigerator for a couple of weeks until they are gone. If the hardboiled egg has any sort of unpleasant, sulfurous or rotten smell, it has gone bad and should not be consumed. Keep the eggs in the covered pot for 12 minutes for medium eggs or 15 minutes for large eggs. The Perfect Hard Boiled Egg Recipe. The discoloration is evidence that the egg was cooked for too long. When the timer goes off, remove the eggs with the slotted spoon and shock the eggs … The dark ring that forms around the yolk of a hard boiled egg is called a sulphur (sulfur) ring. Consequently, they not only fail to look good, but they also fail to smell and taste good as well. I tried only putting the eggs in once the water has boiled. There are a million and one ways to make them but this method makes perfect hard-boiled eggs every time: the whites are firm but not rubbery and the yolks are cooked through but still creamy, with no unsightly green ring surrounding them. Perhaps you've hard-cooked an egg only to discover a green ring around the yolk when you crack it open. Dark black- not so much…except that there are processes one can put eggs through that may have such a … I recently peeled an overcooked hard boiled egg and this reminded me of Martha's easy to do perfect hard boiled egg recipe. Dark yellow yolk – an indicator of the hen’s diet. This is just the best way to boil an egg for presentation without the grey. With a little preparation, you will be able to cook perfect hard-boiled eggs in no time. When the egg is boiled the sulphur and hydrogen in the egg white combine to make sulphur dioxide gas, and this gas reacts with the iron in the yolk to form a dark ring. I occasionally eat a hard boiled egg as a quick “to go” snack or on a salad. There are a million and one ways to make them but this method makes perfect hard-boiled eggs every time: the whites are firm but not rubbery and the yolks are cooked through but still creamy, with no unsightly green ring surrounding them.

How to Tell When Hard Boiled Eggs Go Bad. Bring a pan of water to a boil. Use the guide below to determine which eggs to keep and which eggs to discard. More specifically, what to do with leftover hard boiled egg yolks. A good way to tell if an egg is bad, submerse it in a bowl of water.