Add Yahoo as a preferred source to see more of our stories on Google. Costco rotisserie chickens sit in packaging - pimpampix/Shutterstock Costco's eagle-eyed customers have noticed some changes ...

We've all been there: you're prepping for a picnic or making a batch of deviled eggs, you crack open a perfectly cooled shell, slice the egg in half, and instead of a vibrant, sunny yellow center, you ...