1. Prepare the ingredients
2. After thawing the longli fish, wipe off the water with kitchen paper, and cut into small pieces of 1.5 cm square
3. Add appropriate amount of olive oil, a small amount of black pepper, ginger and marinate for 15 minutes
4. Make a cross on the top of the tomato, blanch it in boiling water, then peel and cut into small pieces for later use
5. Boil the marinated fish in boiling water and remove it for later use
6. After the pan is heated, pour in a proper amount of oil, add the cut tomatoes, and continue to fry over medium heat
7. After frying the juice, add two spoons of tomato paste, continue to fry, add a half bowl of water
8. After the water is boiled, add the Longli fish cubes and cook for about 2 minutes
9. Use a small bowl of water and cornstarch to mix into water starch, then pour it into a pot and boil on high heat
10. After the juice is thick, add a teaspoon of salt, a teaspoon of sugar, and season it out
11. Eat fish without spitting, tomato dragon fish is so delicious
