, lightly pounded to 1/4 inch thick.

Jonathan Moyle, PhD., poultry expert and extension specialist at the University of Maryland College of Agriculture & Natural Resources..

Most eggs come with a “base color” that’s white, explains.Richard Blatchford, PhD., a poultry researcher and associate specialist in Cooperative Extension: Small to Industry Scale Poultry at the UC Davis Department of Animal Science.

But as eggs travel through hens’ oviducts during the reproductive process, some breeds deposit pigments that change the color of the egg shells.. Brown eggs.Generally laid by red or red-brown birds with red earlobes.

A pigment protein called protoporphyrin is added as the eggshell is built.

Most in the U.S. are produced by Rhode Island Red or Plymouth Rock chickens.holiday dessert.

is sure to convert even staunch eggnog haters..What is eggnog, exactly?.

Eggnog is essentially a thin, drinkable, nutmeg-spiced custard — some old-fashioned recipes will use raw eggs, but most modern eggnogs involve at least some time on the stovetop — that's often spiked with a spirit like rum, brandy, or whiskey.Though a similar drink was first attested in medieval England, the term "eggnog" arose a few centuries later in the American colonies.