[header] How to make hard boiled eggs in the oven [title] Preheat your oven to 325º fahrenheit (163ºc). [step] If your oven is a little on the weak side or if you're baking a dozen large ones, you might want to vamp it up to 350ºf (177ºc). [title] Get your eggs and put them into the muffin tin. 
[step] If you have a mini muffin tin, even better. They won't roll around as much.