How Long to Cook Hard-Boiled Eggs (Classic Stovetop Steam & Simmer) in the boiling
Specification: 6 to 12 large cold eggs lowered into rapidly boiling water
3-Step Execution Protocol
Preheat boiling to 212°F (100°C). Prepare hard-boiled eggs (classic stovetop steam & simmer) (6 to 12 large cold eggs lowered into rapidly boiling water).
Cook for 9–10 mins. Do not flip; allow surface to develop undisturbed.
Whites are firm, yolks are creamy bright yellow with zero gray sulfur ring, and shells slip right off Confirm internal temperature reaches 160°F (71°C). Rest for 15 minutes before serving.
American Egg Board Food Safety & Serious Eats The Science of Hard-Boiled Eggs