1 First, dice the prepared tomatoes.
2. Then use a kitchen knife to dice the onion.
3, put the right amount of oil in the pot, heat it on high fire, add onion and stir fry.
4. Then pour the prepared tomatoes, salt and sugar into the pot and stir well with a spoon.
5. Then pour the pizza seasoning into the pot and continue to fry.
6. Wait until it is thick and sticky, so that the tomato sauce is ready.