1. Tofu cut into pieces, pineapple to also cut into tofu about the size of the block, green pepper wash cut into small pieces, all materials cut ready to use.
2. Add proper amount of starch to tofu, mix well carefully, break up the eggs, put the tofu with starch in the egg liquid, and hang the paste evenly.
3. Put a proper amount of oil in the pot, heat it, put the tofu with the paste on it, fry it over low heat until it is golden on all sides, and take out the remaining oil for standby.
4. Take a bowl, put some ketchup, sugar, salt, water and starch in it, and mix well to make the juice.
5. Put the tomato sauce into the pot and boil it, then put the tofu in the pan, then put the pineapple and green pepper in the pan, carefully stir fry until the green pepper is broken, and collect the concentrated juice.