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First of all, from the perspective of cooking, office workers should also pay attention to some matters, and the "bento family" should cook their own dishes for 8 minutes to avoid the loss of nutrition by microwave heating. Moreover, we should pay attention to cooking methods. The cooking methods suitable for microwave heating are steaming, braising and stewing. Be sure to choose a lunch box suitable for microwave heating, and control the heating for about 2 minutes. Rice is the best staple food, and the staple food such as steamed bread and pie is extremely easy to dry, so it is not suitable for heating in microwave oven.

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Secondly, experts suggest that office workers bring their own Caicai-style vegetables, which are relatively green. Eggplant and beans are not easy to deteriorate, and it is not easy to change the color and fragrance of dishes after microwave heating. Experts do not recommend that office workers bring fish and seafood for lunch, because it is difficult for fish and seafood heated by microwave ovens to maintain their original color and flavor, which will also affect their appetite from the appearance. Suitable for "bringing rice": scrambled eggs with tomatoes, roasted eggplant, cabbage, soybeans, Chinese cabbage, bacon, salted fish and smoked duck, radish, sweet potato and other classic dishes are all suitable. It is not advisable to bring food with high oil content. It is best not to bring Sichuan style pork, sweet and sour pork ribs, patties and fried rice, because they contain too much oil, and these things are more likely to deteriorate and not easy to keep fresh.

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In addition, experts remind that lunch for bento people should be full of energy, and foods containing protein, vitamins and minerals are essential. Should be based on grain, combined with meat and vegetables. It is best to eat vegetarian food, such as plenty of vegetables (loofah, lotus root, etc. contain more cellulose), with appropriate meat, eggs and fish, less oil, less salt and less sugar, and always keep fruits and eat them at the right time.

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In addition, when office workers bring their own meals, they must choose lunch boxes suitable for microwave heating. Such lunch boxes will be marked with the words "microwave applicable". It is suggested to choose a microwave glass lunch box or a ceramic lunch box. When heating, in order to prevent excessive evaporation of water, you can add a small amount of purified water and cover it for heating. Under normal circumstances, the time for heating the box lunch in the microwave oven is controlled at about 2-3 minutes. If the food is not hot enough, put it in the microwave oven and turn it around a little.