To prevent eggs from cracking or popping when you put them in boiling water, you can try the following tips:
Start with room temperature eggs: Cold eggs can crack when exposed to rapid temperature changes. Letting the eggs come to room temperature before boiling can help reduce the risk of cracking. You can take the eggs out of the refrigerator about 1 hour before boiling them.
Use a small pin or needle: Gently tapping a small pin or needle on the large end of the egg before boiling can create a tiny hole. This hole allows air to escape during boiling and can reduce the pressure inside the egg, minimizing the risk of cracking.
Add vinegar to the water: Some people find that adding a tablespoon of vinegar to the water before boiling eggs can help prevent cracking. The vinegar can help coagulate the egg whites faster, creating a more stable structure.
Don't overcrowd the pot: Make sure not to overcrowd the pot with too many eggs. When eggs are packed too tightly, they are more likely to bump into each other during boiling, increasing the risk of cracking.
Use a gentle boil: When boiling the eggs, start with cold water and bring it to a gentle boil. Avoid rapid, vigorous boiling, as this can cause the eggs to bounce around and potentially crack against each other or the pot.
Add eggs gently: Carefully lower the eggs into the boiling water using a spoon or ladle, so they are less likely to hit the bottom of the pot with force.
Use a timer: Once the water reaches a gentle boil, set a timer to the desired cooking time. Overcooking can lead to cracked eggs, so follow the recommended cooking times based on whether you want soft-boiled or hard-boiled eggs.
Even with these precautions, it's worth noting that sometimes eggs can crack during boiling due to small imperfections or inconsistencies in the shell. While these tips can help reduce the chances of cracking, they may not guarantee perfectly intact eggs in every situation. If you do have a cracked egg during boiling, it's still safe to eat, but the appearance may be affected.