1. Draw a cross on the surface of six tomatoes with a knife.
2. After the water boils, add tomatoes and cook for about 1 min. Tomato skins are soft and tear easily.
3. Take out all the cooked tomatoes and peel them.
4. Dig out the pedicle of tomato with a small fruit knife, and then put the tomato in the pot.
5, tomatoes with rock sugar, stir and cook in a pot with low heat until it becomes tomato juice.
6. Cook until it turns into tomato juice, then boil over high heat and slowly cook until it is thick.
7. When the tomato juice thickens, squeeze half a lemon juice.
8. Then continue to cook the tomato juice for 3-5 minutes.
10, pour tomato juice into a clean, water-free and oil-free sterile glass bottle while it is hot, cool it and put it in the refrigerator.