How to buy preserved eggs
The simple way to buy preserved eggs is to weigh, shake, look at the shell and taste.
Check: put the preserved egg in the palm of your hand and check it gently. Preserved eggs with good quality vibrate greatly, while preserved eggs without vibration are of poor quality.
The second shake: shake the preserved egg by your ear with your hand. Good quality preserved eggs have no sound, and poor quality preserved eggs have sound; And the louder the sound, the worse the quality, even the bad guys or rotten eggs.
Third, look at the shell: that is, peel off the mud attached to the preserved egg and look at its shell, with the eggshell intact, gray and white, and no black spots as the top grade; If there are cracks in the eggs, it is often possible to infiltrate too much alkali during the processing, thus affecting the flavor of protein, and bacteria may also invade from the cracks and make the preserved eggs deteriorate.
Four flavors: if the preserved egg is qualified, the egg white is obviously elastic, brown, with pine-like patterns, and the periphery of the egg yolk is black-green or blue-black, and the center is orange-red. After this preserved egg is cut, the cross-sectional color of the egg is diversified, which has the characteristics of good color, fragrance, taste and shape.
Do you want to boil preserved eggs?
Preserved eggs can be eaten directly without being cooked. If eaten raw, it is best to cut it into pieces and mix it with vinegar and soy sauce. Acetic acid can neutralize some alkali, and preserved eggs will taste better.
Of course, preserved eggs can also be cooked and eaten. Generally speaking, preserved eggs are boiled in boiling water for about 7 to 8 minutes, or steamed in a rice cooker for 5 minutes to dilute the taste, but it is not recommended to cook for too long.
How to preserve preserved eggs
Preserved eggs are soaked in alkaline substances, and the eggs are full of water. If you put it in the refrigerator, the water will gradually freeze, thus changing the original flavor of preserved eggs. In addition, low-temperature storage will also affect the color of preserved eggs, which are easy to turn yellow, so it is not suitable for preserved eggs to be stored in the refrigerator. If there are preserved eggs that can't be eaten at home or need to be preserved for a period of time, they can be sealed with plastic bags and placed in a cool and ventilated place.