1. Wash vegetables.
2. Rinse the mung bean cake with water and dry it.
3. Cut the onion into small pieces.
4. Put oil in the pan and fry the vegetables for half a minute.
5. Pour in the mung bean cake and stir-fry evenly over medium heat.
6. Add the right amount of salt, sprinkle with chopped green onion, stir-fry vegetables and serve.