Quick-frozen dumplings are a kind of food that can be eaten at any time after the packaged jiaozi is quickly frozen to achieve cold storage and kept below -18℃. Because of its variety and taste, convenient eating and diverse practices, it is deeply loved by people.

key points in purchasing: there is a lot of frost in dumplings, which means that there is a lot of water outside jiaozi and frost is formed. That's because the dumpling skin is bad and the water in the dumpling stuffing seeps out and freezes. It may be crushed or melted and frozen during transportation and storage, so it is best not to buy it. In addition, the moldy and discolored dumplings have also deteriorated, so you should see them clearly when choosing them.

canned food has many advantages, such as ready-to-eat and easy storage, including canned meat, fish, fruits, vegetables and so on. It can be used not only as a side dish when eating, but also for cooking with other dishes, or even for eating directly.

main points of purchase: first of all, it is necessary to see that the trademark of the goods should be completely clean, and it is best to choose products with shorter production dates, which are fresher. In addition, look at whether the canned package is bulging or rusty. If there is bulging or rust, don't buy it. In addition, cans in glass bottles can be turned upside down to see if there is juice flowing out.

self-heating rice, which is a boxed rice with high quality rice as raw material, refined meat, fresh vegetables, etc., vacuum sealed and packaged, and sterilized at high temperature. When eating, soak the heating bag in water and heat the rice before eating.

key points of purchase: since the heating package of self-heating rice can reach a high temperature above 1℃ in a short time, brand products must be selected to ensure better quality; Do not select the damaged outer packaging box to avoid danger when heating; There are many kinds of self-heating rice, so you should see clearly when choosing.

Eight-treasure porridge, which is made from eight different raw materials, has the effects of invigorating the spleen, nourishing the stomach, eliminating stagnation and losing weight, benefiting qi and calming the nerves. Eight-treasure porridge ready-to-eat in cans, or instant porridge drunk with boiling water, is convenient to eat, can replace meals, and is healthier to eat.

shopping points: Eight-treasure porridge has many flavors, and the raw materials of different flavors are different. When shopping, you should look carefully first, and it is best to choose eight-treasure porridge without preservatives. All kinds of labels on the outer packaging of canned eight-treasure porridge should be complete, with no damage or flatulence.