yolks (instead of using raw yolks
Egg yolks are rich in choline, lutein, and zeaxanthin, supporting cognitive and eye health, and contain all essential amino acids along with selenium and vitamin D. They are dense in calories and fat but provide concentrated bioavailable nutrients, making them nutritionally valuable despite high lipid content.
About
Egg yolks are the nutrient-dense, lipid-rich centers of chicken eggs, consisting of approximately 50% water, 34% fat, and 16% protein, along with essential micronutrients. The yolk is enclosed by the vitelline membrane and surrounded by the albumen (egg white). Yolks range in color from pale yellow to deep orange depending on the hen's diet, with carotenoid content from feed directly influencing pigmentation. They contain the embryo's nutritional supply and are prized in cooking for their emulsifying properties, richness, and versatility.
Pasteurized or heat-treated egg yolks are yolks that have been subjected to controlled heating to eliminate potential pathogens such as Salmonella while preserving functional properties. These yolks may be sold liquid, frozen, or spray-dried, offering food safety advantages over raw yolks without significantly compromising culinary performance in most applications.
Culinary Uses
Treated egg yolks serve as essential binders, emulsifiers, and enrichment agents across global cuisines. They are fundamental to sauces (hollandaise, béarnaise, mayonnaise), custards, ice creams, and pastry creams, where their lecithin content stabilizes emulsions. In baking, yolks contribute moisture, tenderness, and golden color to cakes, cookies, and enriched doughs. They are also used in pasta-making, as coating for breaded items, and in desserts like zabaglione and crème brûlée. Treated yolks are particularly valuable in commercial food production, food service, and home applications where raw egg consumption poses health concerns, offering equivalent functional results with reduced microbiological risk.