- Rinse tofu and cut into small pieces.
- Rinse tomatoes and dice.
- Rinse the grass carp's tail and remove the scales, pat dry and marinate with salt.
- Heat oil, sauté ginger and pan fry grass carp's tail until golden brown.
- Bring water to boil, add grass carp's tail and cook over high heat, then turn to medium heat and cook for 20 minutes.
- Add tomatoes, tofu and cook for 5 minutes.
- Season with salt and pepper.