1. Add olive oil to the pot, then add tomatoes, cook until the water evaporates
2. Take out the tomato skin, add tomato sauce and stir fry
3. Add the chopped cabbage and mix well
4. Add 1 liter of water
5. Add the diced potatoes, cover and cook for 15 minutes on medium heat
6. Add two slices of cheese, salt, sugar, mix well to melt the cheese, adjust the acidity to taste and turn off the heat. When eating, you can sprinkle with crushed black pepper or drip some chili
Tips:1. This soup is for three people
2. Adding cheese slices can make the soup richer or not
