egg yolks + 1 egg
Egg yolks are rich in choline, lutein, and zeaxanthin, with high bioavailable protein and fat content. They provide significant amounts of vitamins A, D, and B-complex vitamins, alongside essential minerals including iron and selenium.
About
An egg yolk is the nutrient-rich, lipid-laden central portion of a chicken egg (Gallus gallus domesticus), enclosed by the vitelline membrane and suspended within albumen by the chalazae. The yolk comprises approximately 32% solids and 48% water, with the remainder consisting primarily of lipids. It ranges in color from pale yellow to deep golden-orange depending on the hen's diet, particularly carotenoid intake from feed sources like maize or alfalfa. Chicken egg yolks are the most commonly used in culinary applications globally, though duck, quail, and goose yolks are employed in specialized preparations. The yolk's rich emulsifying properties derive from its high phospholipid content, particularly lecithin, making it essential in applications requiring stable emulsions.
Culinary Uses
Egg yolks function as emulsifiers, binders, enrichers, and thickening agents across diverse culinary traditions. They are foundational to classical French mother sauces (hollandaise, béarnaise), mayonnaise, and custards. In baking, yolks provide richness, color, and structure to cakes, pastries, and dough. Asian cuisines employ yolks in egg fried rice, noodle dishes, and as toppings. Yolks are essential for pasta dough, enriched breads, and ice cream bases. Raw or lightly cooked yolks feature in preparations like zabaglione and homemade mayonnaise, while fully cooked yolks are used in deviled eggs, curries, and as garnishes. The ratio of yolk to white significantly impacts final texture and richness.