When boiling eggs, how do you keep the shell of the boiled egg from breaking?

Hard-boiled eggs crack because they are heated too quickly during cooking. Therefore, eggs should be boiled in cold water, heat the pan slowly, and boil the water for 6 to 8 minutes so that the hard-boiled eggs do not break. If you use an egg steamer, you can soak the eggs in hot water before steaming so that the eggs don't break easily.

After the egg is cooked, the shell often cracks and the egg white overflows. This is caused by sudden heating, and the expanded air inside the shell is unable to quickly penetrate the pores at the large end of the shell. If you poke a small hole in the big head with a needle, air will escape when the egg heats up, preventing the eggshell from breaking.

<> eggs should be heated and cooked in cold water. Add a little salt to the water to prevent the egg whites from spilling. Because the dissolved salt can accelerate the condensation of the crack and can seal the crack.

Foaming water. Before boiling eggs, it is best to soak them in cold water for a while and then boil them in a cold pan so that the eggshells are not easy to break. Of course, this is just one way to keep the eggs intact.

When boiling eggs, if fire is used, it is easy to cause the air in the eggshell to expand rapidly, causing the eggshell to burst; If you use low heat and prolong the time it takes to boil the eggs, it is not easy to grasp the degree of good eggs. As practice proves, the best way to boil eggs is over medium heat.

TimeAfter determining the size of the fire, as long as the time of boiling the egg is accurately controlled, the tenderness of the egg can be controlled as much as you want. For example, boil soft eggs for 3 minutes. At this time, the egg white solidifies, and the yolk is still liquid; Boil the hard-boiled eggs for 5 minutes.

At this time, the egg white solidifies, and the yolk is a viscous liquid, soft and smooth; Hard-boiled eggs, boiled in boiling water for 7 minutes. At this point, the egg whites solidify and the yolks dry out. It should be noted that hard-boiled eggs cannot be extended at will.

Because when eggs are boiled for too long, more than 10 minutes, a series of chemical changes will occur inside the egg, reducing its nutritional value.

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Don't cook it for too long, and it's best to cook it in a rice cooker, and the water must be about three feet below the eggs.

It is best to grasp the heat of boiled eggs, try to cook them slowly over low heat, and do not add a lot of water, the pressure on the eggshell will not be so great.

You can put it in the kettle and boil it. And add a lot of water, don't just add two or three spoonfuls.

1. First put the eggs gently into the pot to avoid the cracking of the bottom of the pot due to excessive force, and then put in cold water, the water should be higher than the eggs, and then cook with not particularly large fire. In this way, the egg shell and egg white and yolk gradually heat up together to avoid being cracked;

2. If the temperature of the raw egg itself is too low due to storage, soak it in water for a while after putting it in water, so that the egg and the water temperature are the same before cooking;

3. If the raw egg you want to boil has cracks, you can add some salt to the water. In this way, the brine can speed up the protein coagulation at the crack and prevent protein overflow to a certain extent.

4. If the boiled egg is boiled with high fire, it is easy to cause the rapid expansion of the air in the shell of the egg, which leads to the rupture of the eggshell, and the use of low heat prolongs the time of boiling the egg, so the slag town should be fired.

In order to avoid breaking the shell, it is best to "boil the egg", the reason for the eggshell rupture is due to the fact that the egg white yolk expands in volume when heated, and the expansion rate of liquid is greater than that of solid eggshell, and when the volume of the liquid content is greater than the capacity of the eggshell, the eggshell will burst.

If the egg is heated quickly, when the outer layer of the egg white is heated and expanded, the inside is still cold, there is no expansion, the total expansion is relatively small, and the increased capacity of the eggshell expansion and the capacity of the air chamber in the egg can withstand it, and it will not burst. When the heating continues, the inner layer begins to expand by heat, the outer layer of egg white has solidified and contracted, the total expansion is relatively small, and the eggshell will not burst. Boil the eggs for 8 minutes just right.

If the time is too short, the eggs will not be cooked and the symptoms will be loose. From a sterilization point of view, eggs must reach a core temperature of 70-80°C to kill Salmonella, so it is recommended that you do not eat soft-boiled eggs or raw eggs.

Pot under cold water, boil or steam normally, turn off the heat after boiling water for 5 minutes, and stuff for two minutes without opening the lid, the egg yolk will not be old, will not be blackened, and the taste is the best. Generally, it doesn't break the shell, unless it's hot or cold.

Ingredients: 6 eggs Accessories: appropriate amount of water.

Step 1: Prepare the eggs.

Step 2: Wash the eggs.

Step 3: Pour an appropriate amount of water into the pot and add the eggs.

Step 4: Cover and cook. Once the pot is boiling, cook for 6 minutes.

Step 5: Soak the boiled eggs in cold water and remove them.

Step 6: The eggs are cooked. It's ready to eat.

1. Soak in water. Before boiling eggs, it is best to soak the eggs in cold water for a while before putting them in a pot of cold water to boil so that the eggshells are not easy to break.

2. Firepower. If high heat is used when boiling eggs, it is easy to cause the air in the eggshell to expand sharply and cause the eggshell to burst; If you use low heat, it will prolong the time of boiling eggs, and it is not easy to grasp the age and tenderness of good eggs. Practice has proved that boiled eggs are most suitable over medium heat.

3. Time. After determining the amount of firepower, as long as you accurately grasp the time of boiling eggs, you can control the age and tenderness of the eggs as you like. For example, boil soft eggs, boil water for 3 minutes.