Can you further cook unfinished hard boiled eggs?

You can't really "further cook" hard-boiled eggs once they've been boiled. Here's why:

* Overcooked eggs are rubbery: The goal of hard-boiling is to set the egg white and yolk. If you cook them too long, the whites will become tough and rubbery, and the yolks will dry out and become crumbly.

* Cooking time is based on size: The cooking time for hard-boiled eggs depends on their size. Smaller eggs cook faster than larger ones.

* The "re-cook" method is ineffective: Some people suggest putting already-boiled eggs back in the water to finish cooking. However, this won't actually change the texture of the egg. It's just another form of overcooking.

What to do if your eggs aren't cooked enough:

1. Check for doneness: If you're unsure, cut open an egg to check the yolk. A soft-boiled yolk will be runny, a medium-boiled yolk will be set but slightly soft, and a hard-boiled yolk will be firm.

2. Leave them be: If you're not happy with the doneness, leave the eggs as they are and enjoy them as soft-boiled or medium-boiled eggs.

3. Use them in recipes: Uncooked eggs are useful in many recipes, so don't throw them away! You can use them in cakes, cookies, or even scrambled eggs.

Tips for perfect hard-boiled eggs:

* Start with cold water: This helps prevent the eggs from cracking.

* Add salt to the water: This helps the eggs cook more evenly.

* Don't overcook them: The cooking time will vary depending on the size of the eggs, but generally, 8-10 minutes for large eggs is enough.

* Cool quickly: Immediately place the eggs in an ice bath to stop the cooking process and make them easier to peel.