1. Salad: Making salad at the primary school food festival is very simple. To make a salad, you only need to wash the vegetables and fruits, then add the salad dressing and stir it to complete. There are only three steps in the whole process, wash the raw materials, cut the raw materials, add the salad dressing and stir it.

2. Egg fried rice: Egg fried rice is also a relatively simple food. However, although egg fried rice is simple to make, it does require tools, such as a pot, oil, cooking, etc. Therefore, although egg fried rice is easy to make, it is best to fry it at home and take it with you.

3. Fruit platter: The simplicity of the fruit platter is self-evident. You only need to wash the fruits, cut them, and arrange them on a plate. A fruit platter is completed. It can be said to be simpler than a salad.

4. Egg noodles: Regarding egg noodles, they are actually the same as egg fried rice. Although noodles and eggs are not difficult to process, the raw materials and equipment are difficult to get to the school. It is recommended to make them at home first and bring them to school.

5. Cold cucumber: The simplicity of cold cucumber is self-evident. Wash the cucumber, cut or press it into pieces with a tool, then put it on and cook it. For cold cucumbers, you can prepare the seasoning first, bring the seasoning to school, and process it there. In short, cold cucumber is not as troublesome as egg fried rice and egg noodles. It is one of the few simple foods that is easy to make.