It’s hard to beat a yolk-soaked breakfast sandwich. But undercooking your eggs carries real health risks. By Caroline Hopkins Legaspi Sunny side-up, over easy, lightly scrambled, soft-boiled ...

(AP Photo/Mary Conlon) The perfect boiled egg has a velvety yolk paired with a soft, solid white. Achieving this balance can be a challenge because the yolk cooks at a lower temperature than the white ...