Eggs are reproductive bodies laid by birds, reptiles, and fish, with chicken eggs the most widely consumed worldwide. A single egg delivers complete protein, choline, vitamin D, B12, and essential fatty acids in a compact, bioavailable form.
The yolk carries fat-soluble vitamins and lecithin, while the albumen (egg white) is nearly pure protein and water. In cooking, eggs function as leavening agents, emulsifiers, binders, and a standalone ingredient across countless recipes.
Pastured hens that forage on grass and insects produce eggs with deeper-colored yolks and elevated omega-3 content. Egg quality reflects the health of the soil, the diversity of the hen's diet, and the welfare conditions of the flock.
Preserved forms include pickled eggs, salted eggs, and century eggs, each relying on fermentation or curing chemistry. Eggs connect the cycles of animal husbandry, composting, and garden fertility in an integrated homestead system.
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