1. Soak the beancurd in cold water, blanch the beancurd in boiling water, remove the beancurd and cool it with cold water, squeeze out the water and cut it into small sections;
2. Wash the cucumber and cut it into thin strips. Put the beancurd and cucumber into a bowl. Add vinegar, soy sauce, sugar, salt and sesame oil and mix well.
If the children like, they can also add some black fungus or radish and other vegetables, so that the nutrition is more comprehensive. Beancurd is rich in protein and various nutrients. It can be soaked in cold water in summer and warm water in winter for 2-4 hours. You must pay attention to sanitation when making cold dishes for children. You'd better prepare two plates at home, one for cutting meat and raw food, the other for cutting fruit and cooked vegetables, so as to avoid intestinal discomfort caused by bacterial infection.