Steps

1. Prepare cowpeas, potatoes, and peppers

2. Cut potatoes into small pieces and remove the tails of peppers

3. Put oil in the pot, add ginger and star anise

4. Pour in cowpeas, chili peppers, add soy sauce and stir-fry

5. Add water and add potatoes

6. Add rock sugar, cook over high heat to collect the soup

7. Pour into a bowl, can be served with a bowl of rice