What happens if you boil a soft-boiled egg?

If you boil it for hours, it gets rubbery and overcooked. Beyond that, things get a little mysterious. Eggs are full of coiled protein molecules. Heating the proteins causes them to uncoil and bond together to form a three-dimensional network, turning a runny raw egg into a firm, chewy cooked egg.

Can you boil already cooked eggs?

If you want to reboil an egg that has already been cooked, you can use a bowl and boiling water. Technically, you’re not boiling the egg again – you’re reheating it, because boiling water stops boiling when you pour it in, as you’ll see in the following steps. Take a medium or large bowl and put the egg or eggs in it.

Is it safe to eat an overcooked hard-boiled egg?

Yes, it is safe to eat. This green color is caused by overcooking the egg and is due to the large amounts of sulfur and iron reacting with the surface of the yolk.

How do you know when hard-boiled eggs are cooked?

If you’re wondering how to tell if an egg is hard-boiled, place it on the counter and give it a quick spin. Once it’s in motion, tap it with your finger to stop the rotation. Cooked eggs will turn easily and quickly and stop quickly.

Can you cook hard boiled eggs in the microwave?

However you can cook a hard-boiled egg in the microwave, eggs that have already been cooked should never be reheated. Hard-boiled eggs, when microwaved, tend to explode. They also generally do not explode in the microwave.

Do hard-boiled eggs float when cooked?

If the egg stays on the bottom, it’s fresh. …If the egg stands on its pointed end at the bottom – it’s still safe to eat but best used for cooking and making hard-boiled eggs. Whether the egg float – they are stale and better thrown.

How to boil eggs step by step?


  1. Place your eggs in a single layer in the bottom of your pan and cover with cold water. …
  2. Over high heat, bring your eggs to a boil.
  3. Remove from heat and let stand in water for 10-12 minutes for large eggs. …
  4. Drain the water and immediately run cold water over the eggs until they cool.

Is 20 minutes too long to boil eggs?

If you boil an egg for five or 10 minutes, it becomes firm and cooked. If you boil it for hours, it gets rubbery and overcooked. …Keep boiling the egg and the proteins continue to cross-link, making the egg even firmer and chewier.

Can you overboil eggs?

Hard-boiled eggs should never be boiled – always simmer them in water. If you cook them too long, the protein will harden (become rubbery) and a greenish or purplish ring will form around the yolk. Extremely fresh eggs are not recommended for making hard-boiled eggs, as they are very difficult to peel.

How long should I boil eggs in the microwave?

For hard-boiled eggs: microwave on high power (100% power) for 40 seconds. Let stand 30 seconds before removing plastic wrap or lid. If still undercooked, return egg to container, cover and microwave for an additional 10 seconds or until cooked as desired.

What is a rolling boil?

In comparison, a rolling boil is a vigorous, bubbling boil with a kind of bubbling, active motion that comes from using a large amount of heat. Other than cooking pasta or blanching vegetables, there are few times when you need to cook something with a strong boil.