www.seriouseats.com/2014/05/the-secrets-to-peeling-hard-boiled-eggs.html, posted 2015 by peter in food howto reference
Lower your eggs straight from the fridge into already-boiling water, or place them in a steamer insert in a covered pot steaming at full blast on the stovetop. If boiling, lower the heat to the barest simmer. Cook the eggs for 11 minutes for hard or 6 minutes for soft. Serve. Or, if serving cold, shock them in ice water immediately. Let them chill in that water for at least 15 minutes, or better yet, in the fridge overnight. Peel under cool running water.