How to Hard-Boil an Egg

The simple hard-cooked egg is a cornerstone of Jewish cooking. Roasted eggs appear on the Passover platter, a symbol of springtime. Hard-cooked eggs enter all manner of appetizers, from the chopped liver to the chopped eggs and onions. At first glance, it might seem as if there’s nothing easier than making a hard-boiled egg, but all too often you find an ugly, sulfurous green ring around the yolk. Likewise, unless properl