One of the most overlooked egg-safety mistakes is washing commercially purchased eggs at home before putting them in the refrigerator. It may seem like washing would make the shells cleaner and safer, but U.S. food-safety guidance specifically advises against washing store-bought eggs. Commercially processed eggs are already washed and sanitized under controlled conditions, and additional washing at home can increase the risk of contamination because water may move bacteria through the porous shell. Another important habit is keeping refrigerated eggs consistently cold. USDA guidance recommends storing eggs at 40°F (4°C) or below, preferably in their original carton and in the coldest part of the refrigerator rather than the door. These simple practices can reduce the opportunity for harmful bacteria such as Salmonella to multiply.
Another common mistake is cross-contamination. Raw eggs can potentially carry harmful bacteria, so hands, utensils, countertops, and other surfaces that come into contact with raw egg should be washed thoroughly with hot, soapy water. Cracked eggs also deserve caution because cracks can provide an opportunity for bacteria to enter. When preparing eggs, cooking them until the whites and yolks are firm is a straightforward food-safety measure recommended by government guidance. If a recipe requires raw or lightly cooked eggs, using pasteurized eggs or pasteurized egg products can reduce the risk associated with Salmonella. This is especially important for people more vulnerable to serious foodborne illness, including young children, older adults, pregnant women, and people with weakened immune systems.
Finally, don’t leave eggs or cooked egg dishes sitting out for hours. USDA guidance says refrigerated eggs should not remain at room temperature for more than two hours, and cooked egg dishes should be refrigerated promptly and generally used within three to four days. Hard-cooked eggs can generally be refrigerated for up to one week. The safest routine is simple: keep eggs refrigerated, avoid washing commercially processed shells at home, wash your hands and kitchen surfaces after handling raw eggs, prevent cross-contamination, and cook eggs thoroughly when appropriate. These habits allow you to enjoy eggs while reducing avoidable food-safety risks. Disclaimer: This article is for general educational and informational purposes only and does not constitute medical, nutritional, or food-safety advice. Egg-handling practices can vary by country and local regulations, and some information online may be general or unauthenticated. Always verify important food-safety information through reliable official sources and follow the instructions on your egg packaging.
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