When frying vegetables, don't take too long, wait for the temperature of the oil in the pan to exceed 100 degrees Celsius, then put the vegetables into the pan and fry them quickly with high heat, the nutrition of the vegetables can basically be retained. At the same time in doing any dishes, frying, deep-frying, stir-frying, boiling, smothering, steaming, cooking and steaming practices than the previous several practices can lock the nutrients are not lost, such as doing fish, choose to steam can be maximized to maintain the original flavor round original juice.

Selecting a reasonable cooking method and controlling the cooking time according to the characteristics of different ingredients. Try to choose steaming, stewing, stir-frying, stir-frying and other healthier ways, avoid long blanching, or blanching and oil and other repeated heating methods. Then, for example, thickening, sizing, and patting powder before processing the ingredients, which can better lock the moisture and nutrients to prevent their loss.

Lettuce is afraid of salty, so only put a little salt, so as to retain its flavor, cold lettuce can be blanched with water, but must pay attention to the blanching time, time is too long, it will lead to lettuce soft. Lettuce with shiitake mushrooms has the effect of lowering blood pressure and blood fat. Shiitake mushrooms contain purines, choline, tyrosine, oxidizing enzymes and certain nucleic acid substances, which can play a role in lowering blood pressure, cholesterol and blood fat.

In addition to raw lettuce, of course, lettuce can also be suitable for burning, mixing, choking, stir-frying and other cooking methods, but also can be used to do soup and ingredients, such as lettuce as raw material dishes. Remove the skin and roots of lettuce, cut into semicircular slices and blanch until cooked, take out and cool, add duck pear slices and sugar and mix evenly to eat, have the therapeutic effect of calming coughs and stopping wheezing. If you use boiling water to blanch, you will lose a lot of nutrients. So lettuce as long as you wash, peel, shredded can be cold, but remind the poor digestion of the elderly and patients or cooked better.

You can also blanch the lettuce leaves first, (over cool water again, to keep the lettuce leaves tender and crisp, nutrition is not lost) pot to add the right amount of water to boil after adding lettuce leaves, add seasoning can be.