Though you probably won’t encounter green eggs and ham anytime soon (but it’s possible), yolk colours can vary from the palest yellow to reddish brown. What affects the colour of egg yolks?

Wondering "What makes some butters yellow and others more pale?" is the natural next step. Thankfully, we have the answers you seek. Just as the green of plants is due to a compound called ...

“There’s absolutely no nutritional benefit of having a pale, yellow, orange or even green yolk. We can even have a green yolk, for example, or a brown yolk. There’s no difference in the ...