Daily Wrap on MSN5 天
Unraveling the mystery of the greenish-grey egg yolk ring
A greenish-grey ring around the yolk of a hard-boiled egg might cause concern. Is it a sign of spoilage or something else ...
Daily Wrap on MSN6 天
Understanding egg yolk discolouration
A greenish-grey ring around the yolk of a hard-boiled egg might cause concern. Is it a sign of spoilage, or something else ...