The color of an egg yolk, whether it is orange or yellow, is determined mainly by the hen's diet and living conditions. While darker yolks are associated with higher nutrient content, all eggs ...

While egg yolks are commonly thought to be deep orange, many store-bought eggs especially ... it is directly influenced by the hen’s diet. Hens on nutrient-rich diets like pasture-raised hens ...

The issue with getting the perfect boiled egg is that the egg white and the egg yolk cook at different temperatures. The white, or albumen, cooks at 185 °F (85 °C), while the yolk cooks at the ...