eggs; large
Eggs are a complete protein source containing all nine essential amino acids, and are rich in choline, selenium, and lutein. The yolk contains significant quantities of cholesterol and fat-soluble vitamins including vitamins A, D, and E.
About
The egg is the reproductive body produced by a female fowl, primarily the domestic chicken (Gallus gallus domesticus), consisting of an embryo surrounded by nutritive and protective layers encased in a calcified shell. A large egg, standardized by USDA grading, weighs approximately 50 grams. The structure comprises three primary components: the shell (composed of calcium carbonate), the albumen or white (a clear, viscous protein-rich liquid), and the yolk (a nutrient-dense sphere rich in lipids, proteins, and micronutrients). The composition and flavor of eggs vary slightly based on hen diet, breed, and rearing conditions, though the essential structure remains constant across commercial production.
Culinary Uses
Eggs function as one of the most versatile ingredients in global cuisine, serving as primary protein source, binder, emulsifier, leavening agent, and thickener depending on preparation method and recipe context. They are fundamental to both savory and sweet preparations: as the basis for omelets, scrambled preparations, and fried preparations in breakfast cuisines; as structure and moisture agents in baked goods from cakes to bread; as emulsifiers in mayonnaise and hollandaise; and as binding agents in forcemeats, terrines, and croquettes. Different cooking methods—boiling, poaching, frying, baking—produce distinct textural and flavor outcomes, making eggs central to diverse culinary traditions from French classical cuisine to Asian stir-fries and custard-based desserts.