Boiled eggs, with cold water or boiled water? Remember 4 points, tender and nutritious, eggshell is not broken good shell
Breakfast, many people have the habit of eating a boiled egg, when buying boiled eggs outside, have you found out, why the yolk is always green? Can such a boiled egg be eaten? There are still many people who don't understand it.
Why does the yolk of a hard-boiled egg turn green?
The main reason is that the cooking time is too long! The boiled eggs sold outside are always placed in the pot, which is conducive to heat preservation.
There are two disadvantages when doing so: (1) the taste of the egg becomes older and it is very choking to eat; (2) the loss of nutrients from the egg is not conducive to absorption. After prolonged heating, the protein begins to age, harden and become tough, and the taste is particularly poor. The sulfur element in the egg yolk will combine with the iron in the egg white to form a green substance that attaches to the surface of the egg yolk and affects the absorption of iron.
So eggs can't be boiled for a long time, how long? How to cook? Today I will talk to you about it.
If you want to eat boiled eggs with good taste and high nutrition, don't buy them outside and cook them at home. When boiling eggs, have you ever encountered a case where the eggshell is broken and it is difficult to peel the shell? If so, it may be that the method is not right.
Some people think that cold water should be put into the egg, so that the heat is even, the eggshell will not break; some people think that boiling water should be put into the egg, the heat is fast, the taste will not be old. Which statement is correct? As long as you master the right method, you can cook a perfect egg in both cold and boiling water.
Why do egg shells crack?
The eggshell is relatively hard, generally a slight collision will not break, only a continuous violent collision will break, that is, tumbling in boiling water, so many people think that boiling eggs should be boiled under cold water, you can avoid collisions.
So can boiling water boil? Yes, as long as you remember 4 tips, eggs are tender and nutritious, and the eggshell is not broken and peeled well.
4 tips for boiling eggs
1: Cook fresh eggs
Fresh eggs, egg whites and yolks are less viscous and do not stick to the eggshell. If the storage time is long, the egg white will become thinner, it is easy to stain the eggshell, and it is not easy to peel the shell.
If it is an egg taken out of the refrigerator, it is best to soak it in water for 10 minutes, return to the temperature, and absorb some water, which is not easy to break and the taste is more tender.
2: Add eggs when the water is not boiling
The water does not boil, and is divided into 2 cases, one is the pot under cold water, and the other is the boiled underwater pot.
Boil in cold water: Cook for 8 minutes on low heat, turn off the heat and simmer for 2 minutes. Long time, the taste is easy to age.
Bring water to a boil: Bring water to a boil and reduce heat to cook for 3 minutes, then turn off the heat and simmer for 2 minutes. After turning the heat down, the water will not boil violently, do not worry about the rupture of the eggshell, and the egg is heated quickly, can quickly solidify, can be cooked in 3 minutes, and the taste is more tender.
3, the time should not be too long
The time to boil eggs should not exceed 10 minutes, because cooking for 10 minutes is already a fully cooked egg, and the egg yolks have been completely solidified.
After 10 minutes, the egg whites and egg yolks will age, and the yolks will turn green.
4: Soak in cold water immediately after cooking.
The hard-boiled egg is a colloidal body, very elastic, will expand when heated, will shrink rapidly after encountering cold water, and the eggshell is separated, it is very good to peel the shell, and it will fall off with a gentle pull.
When boiling eggs, you can also add an appropriate amount of salt and white vinegar, and the boiled eggs are tender and fragrant, and it is good to peel the shell.
Important: If the boiled eggs are not finished, they must be sealed and refrigerated.
Eggs are rich in protein, easy to breed bacteria, if directly exposed to the air, it will be contaminated by wild bacteria, resulting in deterioration. It is recommended to eat how much to cook, cook more to dry the eggs first, and then wrap them in a plastic bag or plastic wrap, put them in the refrigerator for preservation, and eat them within 12 hours.
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