1. Prepare materials
2. Peel and cut winter melon
3. Diced tomatoes
4. Put some oil in the pot and stir-fry the winter melon, then put it in boiling water and boil for a while
5. Add tomatoes and tribute balls
6. Add salt after boiling
7. Sprinkle with chopped green onions when the balls are cooked.
Tips:If you want the soup to be thicker, you can stir-fry the tomatoes first. But it doesn't look good
